1. describe how radio telescopes are used to explore space.
2. how are radio waves used on earth?
3. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals?)
sidenote: sorry if this is in wrong category, there wasn't one for general science
Answers
Radio telescopes are used to explore space by detecting and analyzing radio waves emitted by celestial objects, such as stars, galaxies, and planets. These telescopes consist of large parabolic dish antennas that collect radio waves from space and focus them onto a receiver. The receiver amplifies the weak signals and converts them into electrical signals, which are then analyzed by computer programs to generate images and spectra of the celestial objects.
Radio waves are used on Earth for a variety of purposes, including communication, navigation, and scientific research. Radio waves are used in radio and television broadcasting, cellular communication, satellite communication, and radar systems. Radio waves are also used in scientific research, such as in radio astronomy, which uses radio telescopes to study the universe.
Radio telescopes convert radio waves to electrical (digital) signals for analysis because digital signals offer several advantages over analog signals. Digital signals can be processed and manipulated using computer algorithms, which allows for more precise measurements and analysis. Digital signals can also be stored and transmitted more efficiently than analog signals, which can be subject to noise and distortion.
Additionally, digital signals can be easily converted to other formats and can be analyzed and compared with other digital data sets.
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Related Questions
What process is shown in the diagram below?
Answers
Answer:
B Polymerase
Explanation:
Answer:
D. Use of restrictive enzymes
Explanation:
Just took the quiz
16 - Albinism: Prom Genotype to Phenotype
Supplemental activity: Flow Chart
Name:
By creating a flow chart below, trace the steps from DNA through to the resulting phenotype. It has been started for you
below The following words must appear in this flow chart transcription, translation, amino acid(s), protein, gene, mRNA,
TRNA, phenotype
DNA
Answers
A correct flow chart is DNA i.e., gene (transcription) >> mRNA + tRNAs (translation) >> amino acids or protein >> phenotype. It is the flow of the genetic information.
What is the flow of genetic information?The flow of genetic information refers to the molecular process from DNA to the final phenotype (i.e., protein product).
During gene transcription, a particular fragment of DNA called gene is used as a template to generate an mRNA.
Subsequently, the mRNA serves as a template to generate a linear chain of amino acids, i.e., a protein, by a process called translation.
The final protein can be considered as the phenotype (in this case, the albinism trait) because it is the observable feature.
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i need help plis!!!!!!!!!!!!!!!!!!!!!!
Answers
Infants are born with a number of instinctive reflexes.
True
False
Answers
Answer:
True
Explanation:
:D
Babies have both instinctive reflexes
Describe data that indicates significant ecological effects of global warning on animal reproduction.
Answers
Global warming is affecting animal reproduction through changes in breeding patterns, population decline in cold-adapted species, and skewed sex ratios. These impacts have significant implications for the health and stability of ecosystems and biodiversity worldwide.
Global warming has significant ecological effects on animal reproduction, as observed through various data sets. One such effect is the alteration of breeding patterns, with many species breeding earlier due to warmer temperatures. For instance, studies on amphibians, such as frogs and salamanders, have shown a shift in breeding season by up to 2.3 days per decade.
Another impact is the decline in population sizes of cold-adapted species like the Adélie penguin. Research indicates that a decrease in sea ice has led to a reduction in their main food source, krill, subsequently affecting the penguins' reproductive success.
Furthermore, increased temperatures can lead to skewed sex ratios in species with temperature-dependent sex determination, such as sea turtles. Studies reveal that warmer incubation temperatures produce more female hatchlings, potentially causing long-term consequences on population stability.
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partial credit given. Go outside and collect a small amount of soil in the containers supplied. You will probably be more successful if you select soil from a vegetated area. Use your soil to prepare a wet mount following the directions you were given in class. Try to use 2 mm' of soil. To help you visualize this, draw two "3d" boxes, each representing a cubic millimeter, actual size, here: Use your microscope to examine the entire area under your coverslip. Count all the nematodes you see. how many cubic mm are in I cm ? How many nematodes were in your mm' of soil? What is your calculated number of nematodes per cubic mm? Based on your data, how many nematodes would you calculate there to be in a cubic centimeter of soil? How many would you calculate there to be in a cubic meter of soil?
Answers
There are 1,000 cubic millimeters (mm³) in 1 cubic centimeter (cm³). This is because 1 cm is equal to 10 mm, and when you calculate the volume of a cube, you raise the length of each side to the power of 3.
To determine the number of nematodes in your mm² of soil, you need to count them under the microscope. Let's say you counted 10 nematodes in your mm².
To calculate the number of nematodes per cubic millimeter (mm³) of soil, you need to know the depth of the soil you examined. If you used 2 mm of soil, the calculation would be: (Number of nematodes in mm²) / (Volume of soil in mm³) = 10 nematodes / (2 mm x 1 mm x 1 mm) = 10 nematodes / 2 mm³ = 5 nematodes per mm³.
To calculate the number of nematodes in a cubic centimeter (cm³) of soil, you would use the same ratio of nematodes per mm³. Since there are 1,000 mm³ in 1 cm³, the calculation would be: (Number of nematodes per mm³) x (1,000 mm³) = 5 nematodes/mm³ x 1,000 mm³ = 5,000 nematodes per cm³.
To calculate the number of nematodes in a cubic meter (m³) of soil, you would again use the same ratio. Since there are 1,000,000 cm³ in 1 m³, the calculation would be: (Number of nematodes per cm³) x (1,000,000 cm³) = 5,000 nematodes/cm³ x 1,000,000 cm³ = 5,000,000,000 nematodes per m³.
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1. List and describe the two major anatomical divisions
of the Nervous System. For each division, write the name of the division and one of its primary functions.
Division 1:
Function:
Division 2:
Function:
2. Describe the steps of a complete reflex arc. Use the correct names of the two nervous pathways in your response (one going towards, one going away from the CNS), the three types of nerves and describe where each of the three essential functions of the nervous system occur.
Can someone help me right now please
Answers
The two major anatomical divisions of the nervous system are the central nervous system (CNS) and the peripheral nervous system (PNS).
Five components make up a reflex arc and they are:
Sensory receptor.Sensory neuron.Integration center.Motor neuron.Effector targetWhat are the anatomical divisions of the nervous system?The two major anatomical divisions of the nervous system are the central nervous system (CNS) and the peripheral nervous system (PNS).
Central Nervous System (CNS): The CNS is composed of the brain and spinal cord, which are responsible for processing and integrating sensory information, and sending motor commands to the rest of the body.Peripheral Nervous System (PNS): The PNS is composed of all the neural structures that lie outside of the brain and spinal cord, including nerves, ganglia, and sensory receptors. The PNS is responsible for collecting and transmitting sensory information from the body to the CNS, and sending motor commands from the CNS to the muscles and glands. The PNS is further divided into two major subdivisions: the somatic nervous system and the autonomic nervous system.Learn more about the nervous system at: https://brainly.com/question/26348097
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The current population of a threatened animal species is 1.6 million, but it is declining with a half-life of 20 years. How many animals will be left in 40 years? in 65 years? The population after 40 years will be animals. (Round to the nearest whole number as needed.) The population after 65 years will be animals. (Round to the nearest whole number as needed.)
Answers
The population after 40 years will be 400,000 animals, and the population after 65 years will be approximately 336,000 animals.
To determine the population after a certain time period, we can use the formula for exponential decay;
N(t) = N0 × \((1/2)^{(t/T)}\)
Where;
N(t) is the population at time t
N0 is the initial population
t is the time elapsed
T is the half-life of the population
Given;
N0 = 1.6 million
T = 20 years
Let's calculate the population after 40 years;
N(40) = 1.6 million × \(1/2^{(65/20)}\)
= 1.6 million × (1/2)²
= 1.6 million × (1/4)
= 400,000
Therefore, the population after 40 years will be 400,000 animals.
Now, let's calculate the population after 65 years;
N(65) = 1.6 million × \((1/2)^{(65/20)}\)
= 1.6 million × \((1/2)^{(13/4)}\)
≈ 1.6 million × 0.210
≈ 336,000
Therefore, the population after 65 years will be approximately 336,000 animals.
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En la maduración del cerebro que inicia desde la nuca hasta la frente la última área que madura es la corteza prefrontal que ayuda a calibrar riesgos, se ocupa del control de impulsos, el juicio y toma de decisiones.
Answers
Answer:123456Which statement best explains the main conflict and resolution in "How a Cat Played Robinson Crusoe"?
The cat is abandoned on an island. She adapts to the wilderness and survives until her family returns.
The family worries about the cat. They are overjoyed to discover that the cat is alive when they return.
The cat faces many adversaries, including rats and owls. However, she persists and is able to overcome each.
The cat learns how to hunt. She does not starve to death on the island.
Explanation:
some scientists suggest that the neandertals and modern humans interbred during the few thousand years that they overlapped in europe and western asia. identify the evidence that supports this theory.
Answers
The evidence that supports this theory is Europe and western Asia to date, the majority of Neandertal fossils have been found in Europe and western Asia.
What is Neandertal fossils?Archaic humans, including the extinct Neanderthal species or subspecies, inhabited Eurasia up to 40,000 years ago.The first evidence of a separate species of human was a fragmentary male Neanderthal skeleton discovered in 1856 while mining in Germany's Neander Valley.
Eight years later, in 1864, Homo neanderthalensis, a new human species was named after it. The discovery was influenced by Charles Darwin's "On the Origin of the Species," which was published and became popular in 1859.
Therefore, The evidence that supports this theory is Europe and western Asia to date, the majority of Neandertal fossils have been found in Europe and western Asia.
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Explain why mice in urban areas can digest certain food better than rats in rural areas. Using the terms
"genes" and "allele frequency" in your explanation provide data of this phenomenon.
Answers
Finding the corresponding human illness genes using rat disease gene identification is helpful, but it also aids in understanding the mechanisms causing pathological defects.
What is the random alteration in allele frequencies caused by genetic drift?Genetic drift is the term used to describe the haphazard changes in gene variant frequencies within a population. Genetic drift occurs when the frequency of different alleles, or variable forms of a gene, fluctuates over time through chance. Changes in allele frequencies are used to measure these differences in allele presence.
Who made genetic drift public?In the future, Sewall Wright, a pioneer in population genetics, invented the phrase "genetic drift" and the corrected mathematical treatment.
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Across: 2 A cross that involves two characteristics. 5-Offspring produced as a result of the cross- pollination of the parental generation. 10 When one parent plant fertilizes its own eggs. 14-The observable or detectable characteristics of an individual organism; the physical expression of a genotype. V 16- The specific allele makeup of an individual that is carried in its genetic code 17- The passing of characteristics from parents to offspring 21-The general term for an allele that masks the presence of another allele phenotype. 24-A tool used by geneticists to predict the possible genotypes of offspring that could be produced parents whose genotype is known. 25- The study of heredity, (26-A cross between two true-breeding plants that have contrasting traits. 27- The offspring of the F1 generation, 28- The male reproductive structure of a flower that Mendel removed in order to cross-pollinate two pea plants. 29- The term used to describe the genotype of individuals that carry two dominant copies of an allele, Down: 1- This can be determined by the following formula: the number of one kind of possible outcome divided by the total number of all possible outcomes. 3-Austrian scientist who is considered the "Father of Genetics" for his discoveries while studying the inheritance of traits in pea plants. 4-Term used to describe the following genotype: pp 6- Mendel's law stating that the two alleles for a character will separate during gamete formation. A 7- A segment of DNA located on a chromosome that codes for a specific characteristic. 8-A trait that is not expressed when the dominant form of the allele is present. 9- A breeder could use this to determine whether an individual with a dominant phenotype is homozygous dominant or heterozygous for a particular characteristic. 11-A cross that always produce a 3:1 phenotypic ratio. 12-The generation of genetically pure individuals that are mated in order to produce hybrids. 13-An individual that has two different alleles for a trait where only the dominant allele is expressed. 15 The transfer of pollen from the male stamen to the female pistil. 17-Organisms that possess a combination of dominant and recessive alleles. 18-The process of genetic transmission of traits from parents to offspring. 19-When one plant fertilizes the eggs of another plant. 20-A cross that involves one characteristic. 22 One of the alternative forms of a gene that codes for contrasting traits within a characteristic. 23 A term used to describe individuals that always produce offspring with their phenotype. 24-The female reproductive organ of a flower.
Answers
Answer:
short sightedness
Explanation:
images are formed before the retina
the alveolar ducts are part of the conducting zone. true/false
Answers
Answer:
False.
Explanation:
Gas exchange occurs at the alveolar duct surfaces; they are part of the respiratory zone.
Give the genotype of male offspring.
Answers
Answer:
XY
Explanation:
If the amphibian population decreased because of an infection from a fungus, how would the quality of human life change?
Answers
If the amphibian population decreased because of an infection from a fungus it would distort ecological balance.
How would the decrease of amphibian population affect ecological balance?The implications for human life due to the decline of amphibians owing to fungal infections are diverse. Amphibians serve as crucial components of ecosystems by playing the roles of predators and prey while also contributing to ecological balance.
The vanishing of such species may cause disturbances within habitats by increasing certain insect populations or decreasing plant populations controlled by these animals.
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what kind of animals did harry harlow and his colleagues use to discredit the most commonly accepted theory of attachment of the time?
Answers
Harry harlow and his colleagues used rhesus monkey to discredit the most commonly accepted theory of attachment of the time
Harlow and his colleagues discovered that, even when denied food and water, rhesus monkeys chose physical touch and comfort over other demands. This study offered evidence that attachment was motivated by a need for emotional security rather than merely physiological impulses.
Clark Hull developed drive-reduction theory in 1943 as a psychobiological hypothesis. It implies that people's conduct is motivated by biological and psychological wants, and that they will participate in actions that satisfy these needs. The idea was created to explain why people participate in specific actions, but it has subsequently been applied to a wide range of psychological and physiological processes.
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Which statement describes the damage that results from earthquakes?
Answers
Answer: people lose their homes, buildings collapse, people need to evacuate, etc.
Explanation:
(Brainliest) Fusion is a nuclear reaction where small nuclei join together and release energy.
Group of answer choices
True
False
Answers
Answer:
it's true
Explanation:
i searched it up
where do immune cells monitor for the presence of pathogens that invade the interstitial space?
Answers
Immune cells monitor for the presence of pathogens that invade the interstitial space in the lymph nodes.
Lymph nodes are small, bean-shaped structures that are distributed throughout the body along the lymphatic vessels. They are part of the lymphatic system, which is a network of vessels and tissues that help maintain fluid balance in the body and defend against infection.
The lymph nodes act as filters for the lymphatic fluid, which contains immune cells, debris, and pathogens that have entered the interstitial space from the surrounding tissues.
When a pathogen enters the interstitial space, it is engulfed by immune cells called antigen-presenting cells (APCs), such as dendritic cells and macrophages. The APCs then transport the pathogen to nearby lymph nodes, where they present it to other immune cells, such as T cells and B cells. This process, known as antigen presentation, triggers an immune response that can lead to the elimination of the pathogen.
Therefore, lymph nodes serve as the site of immune cell activation and coordination in response to pathogens that have invaded the interstitial space.
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please help meeeee thankyouuu
Answers
FORMS : Cinder cones are the simplest type of volcano. They are built from particles and blobs of congealed lava ejected from a single vent. As the gas-charged lava is blown violently into the air, it breaks into small fragments that solidify and fall as cinders around the vent to form a circular or oval cone.
2. Lava flows are streams of molten rock that pour or ooze from an erupting vent. Lava is erupted during either nonexplosive activity or explosive lava fountains.
FORMS : Lava forms when magma erupts from a volcano. As pressure is released gases, dissolved in the magma, bubble out so the composition of lava changes. Most lava flows are formed by the eruption of hot.
3. A shield volcano is a type of volcano usually composed almost entirely of fluid lava flows. It is named for its low profile, resembling a warrior's shield lying on the ground.
Lavas, particularly basaltic ones, come in two primary types: pahoehoe (pronounced 'paw-hoey-hoey") and aa (pronounced "ah-ah"). Both names, like a number of volcanological terms, are of Hawaiian origin. A third type, pillow lava, forms during submarine eruptions.
Answer
Volcano A - Cinder Cone Volcano
Volcano B - Composite Volcano
Volcano C - Shield Volcano
4. Cinder cones are known for their very violent, explosive, exciting eruptions. (A)
Composite volcanoes are explosive, towering giants. (B)
Shield volcanoes quietly produce broad, massive structures through lava flows. (C)
5. Composite volcanoes have very sticky and thick lava, which can make them very explosive when they erupt: gas bubbles that are trapped in the magma chamber find it hard to escape through the viscous rock. They can also spurt lots of hot ash and rocks into the air, making them extremely dangerous.
Lab: Exercise and Homeostasis
Answers
A lab report can be defined as a summary of the outcomes of an investigation (in this case homeostasis).
What is the purpose of research?The purpose of research is to try to answer to a proposed explanation (hypothesis) about a particular issue from the real world.
In this case, our working hypothesis may be associated with the internal state of equilibrium (homeostasis) of organisms.
In conclusion, a lab report is a summary of the outcomes of an investigation (in this case homeostasis).
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Describe the function of carbohydrates in your body.
Answers
The function of carbohydrates in your body is carbohydrates give you energy, the food you consume is broken down into glucose.
What is Carbohydrates?Carbohydrates is defied as that contains biomolecule that contains carbon hydrogen and oxygen in a ratio of 2:1. Carbohydrates are mane source of energy of the body they work as fuel for the brain, kidneys central nervous system and heart muscle.
\(Cn(H2O)n\) is the basic formula for all carbohydrates . But this formula have limitation i.e it applies where same amount of carbon and water are use. Initially the terms carbohydrate was used to describe compounds that have really contains carbohydrates. Because they had simple formula \(CH20.\)
In modern Era carbohydrates are classified on the basis of their structure not on their formulae. Such as aldehydes and ketones are now known as polyhydroxy.
Therefore, The function of carbohydrates in your body is carbohydrates give you energy, the food you consume is broken down into glucose.
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The parasympathetic nervous system is to the sympathetic nervous system as ________ is to ________.
Answers
The parasympathetic nervous system is to the sympathetic nervous system as opposite because parasympathetic nervous system balances the state whereas sympathetic system respond as fight.
What is the parasympathetic nervous system referred to as?
Both sympathetic and parasympathetic nervous systems work opposite to each other. The parasympathetic nervous system is responsible for performing the functions to conserves the body's natural state and relaxes the individual once the duration of emergency has passed. This system decreased the state of arousal while on the other hand, the sympathetic nervous system carries signals that make body systems alert and the parasympathetic carries signals that relaxes system in your body. These two systems work together in order to keep your body in balance state.
So we can conclude that the parasympathetic nervous system is to the sympathetic nervous system as opposite because parasympathetic nervous system balances the state whereas sympathetic system respond as fight.
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The basis for naming GRAM STAINING BACTERIUM is as follows: Gram POSITIVE bacteria are GOOD bacteria and gram NEGATIVE bacteria are the BAD GUYS
Select one:
True
False
Answers
Answer:
true
Explanation:
(I think)
A local farmer began to follow a more sustainable practice. as a result, his levels of carbon emissions decreased by fifty percent. the soil quality will most likely .
Answers
Unless there is more information missing from this passage; the quality of soil will increase as sustainability increases. With a lack of additions from foreign substances, the earth shall regain its initial strength to grow whatever crop.
Answer:
Increase
Explanation:
Since it let the plants decay there, most probably the soil quality increased, and just like the person above me said, that is the answer if there is no missing information.
Hope it helps!
What might be some ways in which a person could lose or alter their fingerprint?.
Answers
"According to a recent study, there are a number of skin disorders that might cause the loss of fingerprints, with nonspecific dermatitis topping the list. Primary hyperhidrosis, irritating contact dermatitis, dyshidrotic eczema, psoriasis, and mechanical abrasion were also found to be contributing factors."
Fingerprint- The study of all the skin's friction ridges, including the fingers, palms, toes, soles, and their markings, in order to deduce the identification of the source is known as forensic evidence of fingerprint.
Skin Disorder- Skin problems known as skin diseases can harm your skin. Rashes, inflammation, itching, and other skin changes can be brought on by these illnesses. While certain skin diseases may be hereditary, others may be brought on by a person's lifestyle.
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skin color and height are polygenic traits which means
Answers
Skin color and height are examples of polygenic traits, which means that they are influenced by multiple genes. A polygenic trait is a trait that is controlled by two or more genes, and the effect of each gene is small.
Skin color is determined by the amount and type of pigments, such as melanin, produced in the skin. This polygenic trait is controlled by several genes, each with a small effect on the final outcome. Height is also a polygenic trait, Skin color is influenced by multiple genes and environmental factors. Many genes have been identified that play a role in determining height, but the exact number and Skin color they interact is not yet fully understood. In addition to genetics, environmental factors, such as nutrition and overall health, also play a role in determining polygenic trait an individual's height. Both Skin color and height, are complex traits and can't be determined by a single gene but by a combination of multiple genes and environmental factors.
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What structures of the eye refract light? Check all that apply.
Check All That Apply
Cornea
Lens
Aqueous humor
Vitreous humor
Retina
Iris
Answers
The structures of the eye that refract light include Cornea and Lens.
The cornea is the transparent front part of the eye that acts as the primary refractive surface. It helps focus incoming light onto the lens.
The lens, located behind the iris, further refracts light and fine-tunes its focus onto the retina.
The other structures mentioned do not directly contribute to the refraction of light:
Aqueous humor is a clear fluid that fills the front chamber of the eye, maintaining its shape and providing nutrients to surrounding structures.Vitreous humor is a gel-like substance that fills the posterior chamber of the eye, helping to maintain the shape of the eye.Retina is the light-sensitive layer at the back of the eye that receives and processes visual information.Iris is the colored part of the eye that controls the size of the pupil and regulates the amount of light entering the eye.Therefore, the structures that refract light are the cornea and the lens.
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what is variable motion?Explain with example.
Answers
Answer:
Variable Motion. different distances traveled in equal times. The speed of the object is changing. Periodic Motion.
Explanation:
Explanation:
variable motion occurs when a body covers unequal distances in equal intervals of time in a specified direction. Example: A rotating fan at a constant speed has variable velocity, because of continuous change in direction.
the plasma membrane of a muscle fiber is called the