Which gas is the most abundant in Earth's atmosphere?
Carbon dioxide
Helium
Nitrogen
Oxygen

Answers

Answer 1

Answer:

Nitrogen

Explanation:

nitrogen, which accounts for about 78% of the mass of dry

thoughtco.com

Answer 2
Answer: Nitrogen

It takes up about 78% of the mass of dry air.

Related Questions

Fire suppression has been an official management policy in a variety of Northern Ghana ecosystems. Discuss examples of how this has impacted community composition. Describe how these examples are either consistent or inconsistent with the predictions of the Intermediate Disturbance Hypothesis. Be sure to take into account various aspects of the disturbance regime (e.G. Frequency and intensity).

Answers

The answer to these questions are the following:  

1. It has been suggested that fire suppression management might increase the area affected by increasing the frequency of high-severity fires in the Idaho-Montana Rockies (USA) and in the chaparral vegetation of California

2. Fire suppression>> alteration of composition, distribution, and density of species

3. Data are consistent with the intermediate disturbance hypothesis  

Fire suppression management is a strategy focused on trying to stop wildfires. The fire suppression management strategy has recently been criticized for accumulating dead biomass in fire-prone ecosystems, thereby leading to high intensity and high severity fires when these areas do burn with wildfire. It has been shown that fire suppression may negatively alter the composition, distribution, and density of species (both animals and plants), especially in ecosystems having high-frequency and low-intensity fires.  

In the Idaho-Montana Rockies (USA), it has been shown that high-severity fires increased their frequency in the period from 1975 to 2012 than in the period from 1935 to 1974, when the fire suppression management strategy coincided simultaneously with cooler and moister conditions that were conducive to them.

The intermediate disturbance hypothesis states that species diversity is maximized at intermediate-scale disturbances. There are many ecologists that disagree with this hypothesis, indicating that the association between ecological disturbance and species diversity does not follow a unimodal distribution. In the example of the Idaho-Montana Rockies, data are consistent with the intermediate disturbance hypothesis because the intermediate disturbance hypothesis indicates that species diversity is highest in areas that have had an intermediate frequency and scale of disturbances (i.e., a fire suppression strategy might decrease the frequency of wildfires but it increases the risk of high severity fires).

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PLS HELPP

What part of the cell membrane helps a cell communicate with other.

A) Phosphate heads
B) Fatty acids tails
C) Cholesterol
D) Glycoproteins

PLS HELPP What part of the cell membrane helps a cell communicate with other.A) Phosphate headsB) Fatty

Answers

Answer:

D) Glycoproteins.

Explanation:
These are proteins that are attached to the cell membrane and are used for cell-to-cell communication, as well as recognition and adhesion. They can also function as receptors for hormones and other signaling molecules.

A. Discuss the stages of the star life cycle.
plis help me

Answers

Answer:

Nasa said :

Explanation:

Step 1 - Green - A cloud of gas and dust collapses due to gravity, creating a protostar.

Step 2 - Blue - Gravitational energy powers the young star until...

Step 3 - Yellow - …nuclear fusion occurs. The main sequence star may live millions or even

billions of years.

Step 4 - Red - The star expands into a red giant when the star's hydrogen level drops.

Step 5 - Orange - Different fusion processes occur. The star expands, cools, and loses mass

each time.

Step 6 - White - Fusion stops and a supernova explosion occurs. Most of the star is blown

away.

Step 7 - Black - Depending on the original star’s mass, either a black hole or neutron star

remains.

Step 8 - Green - The material shed during the star's life joins new gas clouds, and new stars

are formed.

Which is a frameshift mutation? a) Substitution B) Nonsense C) Silent D) Deletion

Answers

the answer is c i believe

Answer:

C. the awnser is c homie

Explanation:

cause i know

What are viruses? How are they different from bacteriophages?

Answers

Answer:

What are viruses?

A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea.

How are they different from bacteriophages?

Virus: ↑ A type of microbe that can infects cells. Human viruses infect human cells, plant viruses infect plant cells, etc. Bacteriophage: ↑ A virus that infects bacteria, also called a phage. DNA: ↑ The molecule that carries all the information in the form of genes needed to produce proteins.

A virus is does not have a cell and its replicates only inside a living host
While a bacteriophage is a virus that affects a bacteria

Biology is the study of life and living organisms. Experimentation is one method by which biologists pursue scientific explanations. How would a biologist know if the results of their experiments are valid? Give an explanation.

A. They are repeatable
B. They match their hypothesis
C. They are not measurable or repeatable
D. They can be used to design another experiment

Answers

A is the answer I’m 80 percent sure that’s right

be able to distinguish whether a group is monophyletic,paraphyletic, or polyphyletic. which types of groups do we strive to recognize in classification schemes?

Answers

Paraphyletic groups fall under a taxon consists of unrelated organisms but fall under recent different common ancestors. Monophyletic groups are those that include all descendants of the ancestor. Paraphyletic group does not include all the descendants of the ancestor.

A monophyletic group which is called a clade, includes an ancestral taxon including all of its descendants. A monophyletic group can be separated from the root with a single cut, whereas a non-monophyletic group needs two or more cuts.

Paraphyletic groups include a single common ancestor but they will include only some of its descendants.Paraphyletic is used when studying significant traits that led a subclade in an evolutionary divergent from more inclusive clade. This is because it is always useful to consider the paraphyletic group without taking into consideration the larger clade.

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How is torque related to force?

Answers

Answer:

Torque is a measure of the force that can cause an object to rotate about an axis. Just as force is what causes an object to accelerate in linear kinematics, torque is what causes an object to acquire angular acceleration.

Fun Fact - Johnny Appleseed’s fruits weren’t for eating

Yes, there was a real John Chapman who planted thousands of apple trees on U.S. soil. But the apples on those trees were much more bitter than the ones you’d find in the supermarket today. “Johnny Appleseed” didn’t expect his fruits to be eaten whole, but rather made into hard apple cider.

What is the main advantage of sexual reproduction? high mutation pate need to find a mate ability to create exact genetic copies ability to combine genes from two parents​

Answers

Ability to combine genes from two parents

What is a function of hydrochloric acid in the stomach? group of answer choices it neutralizes the food mass. it inhibits peristalsis. it absorbs water. it creates an optimum acidity.

Answers

Answer: Hydrochloric acid is responsible for the acidic medium of the stomach, it creates an optimum acidity in the stomach. HCl makes digestion easy in the stomach.

How digestion of food takes place in our digestion system?

The process of the breakdown of the food into simpler and soluble particles is called digestion.Teeth convert the food into pieces so that they can digest easily.In the mouth, saliva converts starch into soluble sugar.After the mouth, the bolus of the food goes into the stomach, where the food is partially digested.Partially digested food is completely digested in the small intestine.Undigested food passes into the large intestine, from where the waste product is excreted out through the rectum and anus.

Explanation: The stomach wall releases hydrochloric acid, which makes the medium of the stomach acidic to kill the germ that enters the stomach and activates the pepsin enzyme.

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Describe the role of the plate tectonics in the formation of the Himalayas

Answers

You just have to zoom in but that’s your answer, have a great day
Describe the role of the plate tectonics in the formation of the Himalayas

If density ussualy increases with decreasing temperature why does ice float on liquid water

Answers

Answer:

As the temperature becomes colder, the water molecules lose energy and move less. The hydrogen bonds that form when water freezes into ice allow the molecules to be spaced farther apart, making them take more space, decreasing the overall density and making it float in the water.

I hope this helped :)

Which of the following is an example of how the Paris Agreement will impact a country's response to climate chang?
Olt will allow more international travel between France and other countries
Ot will create the plans that countries must follow and hold leaders responsible
Okt will provide the funds to all nations so that the citizens of the country will not be taxed
Oft will push the country to take stronger actions in their nationally determined contributions

Answers

The following option is an example of how the Paris Agreement will impact a country's response to climate change:

It will push the country to take stronger actions in their nationally determined contributions.

The Paris Agreement is a global treaty that aims to combat climate change and limit global warming to well below 2 degrees Celsius above pre-industrial levels. One of the key aspects of the agreement is the concept of nationally determined contributions (NDCs). Each participating country is required to submit their own NDC, which outlines their specific climate goals, targets, and strategies for reducing greenhouse gas emissions.By pushing countries to take stronger actions in their NDCs, the Paris Agreement encourages nations to enhance their efforts in combating climate change. This can include setting more ambitious emission reduction targets, implementing policies and measures to transition to cleaner energy sources, promoting sustainable practices, and investing in renewable energy and climate resilience initiatives.The Paris Agreement serves as a global framework that holds countries accountable for their actions and encourages continuous improvement in their response to climate change. By urging countries to strengthen their nationally determined contributions, it fosters a collective and collaborative effort towards addressing the global climate crisis.

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Which of the following statements best describes the path of optic nerve impulses in the brain? O a Impulses from retina across the left eye travel only to the right visual cortex; impulses from retina across the right eye travel only to the left visual cortex. O b. Signals in the left visual field travel to the right visual cortex, signals in the right visual field travel to the left visual cortex. Oc. Impulses from retina from across the left eye travel only to the left visual cortex; impulses from retina from across the right eye travel only to the right visual cortex Od Signals in the left visual field travel only to the left visual cortex signals from the right visual field travel only to the right visual cortex.

Answers

The correct statement regarding the path of optic nerve impulses in the brain is option B. Signals in the left visual field travel to the right visual cortex, while signals in the right visual field travel to the left visual cortex.

The correct statement regarding the path of optic nerve impulses in the brain is option B. Signals in the left visual field travel to the right visual cortex, while signals in the right visual field travel to the left visual cortex. The optic nerve carries visual information from the retina to the brain. The optic nerve from each eye crosses over at the optic chiasm, where fibers from the nasal half of each retina cross over to the opposite side of the brain, while fibers from the temporal half of each retina continue to the same side of the brain. This allows for the integration of visual information from both eyes in the brain's visual cortex, which is responsible for processing visual stimuli. Therefore, the brain can generate a unified and coherent image of the world by combining information from both eyes.

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Polyploidy is the condition in which A. a piece of a chromosome breaks off and reattaches to another chromosome. B. an organism has an extra set of chromosomes. C. a mutagen speeds the mutation rate. D. an insect develops a resistance to a pesticide.​

Answers

Answer:

B

Explanation:

it is a eatra set of it set it a chromosome that how it that

Complete the statement below. Prokaryotic cells regulate genes using... A. translation. B. transcription. C. mitosis.​

Answers

The complete statement is as follows: Prokaryotic cells regulate genes using transcription (option B).

What is gene expression?

Gene expression is the transcription and translation of a gene into messenger RNA and thus into a protein.

Prokaryotic gene expression (both transcription and translation) occurs within the cytoplasm of a cell due to the lack of a defined nucleus.

The regulation of gene expression in prokaryotic cells occurs at the transcriptional level. It involves the turning on and off of genes at the level of transcription in prokaryotic cells.

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PLS HELP! 4. Explore: Another major contribution to atmospheric carbon dioxide is the cement industry.
Using the Gizmo, find a carbon atom path from the atmosphere to the cement
plant
. (Hint:
One of the ingredients in cement is limestone.)
How is carbon dioxide produced in a cement plant?

Answers

the carbon dioxide is produced through PHOTOSYNTHESIS in a cement plant.

Lesions of the medial preoptic area Select one: a. eliminate maternal behavior. b. hasten the effects of concaveation. c. evokes paternal behavior in rats. d. stimulates maternal behavior.

Answers

Lesions of the medial preoptic area (a region in the hypothalamus) are known to a. eliminate maternal behavior in rats. This area plays a crucial role in regulating various aspects of parental behavior, and damaging it can lead to the disruption of maternal instincts.

Lesions of the medial preoptic area have been shown to have various effects on behavior in rats, including maternal and paternal behavior. However, based on the options provided, the correct answer would be d. Lesions of the medial preoptic area have been found to stimulate maternal behavior in rats, rather than eliminating it or evoking paternal behavior.

It is important to note that these findings may not necessarily apply to other species or contexts, and further research is needed to fully understand the role of the medial preoptic area in maternal behavior.

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How do fungi differ from plants?

Answers

Answer:

Plants use sunlight and water to get energy. Fungi eat decayed things.

Explanation:

Also, they are different in two other important ways: 1) fungi cell walls are composed of chitin rather than cellulose (plants) and 2) fungi do not make their own food like plants do through photosynthesis. They are eukaryotic. They get their food by decomposing matter or eating off their hosts as parasites. Like I said above, they eat dead things.

What are the steps in the life cycle of a red blood cell?

Answers

Erythrocytes go through three stages in their life cycle: creation, maturation, and destruction. One of the hematopoiesis's subprocesses, erythropoiesis, takes place in the red marrow.

What is the erythrocyte's primary purpose?

a kind of blood cell which the bone marrow produces and is present in the blood. Hemoglobin, a protein found in erythrocytes, conveys o from the lungs towards every cell in the body.

What does having a high erythrocyte count mean?

You have erythrocytosis, which is defined as an elevated red blood cell count. As a result, your blood is thicker than it ought to be, which raises the possibility of blood clots.

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(a) Explain the effect of noise on humans when they are undergoing prolong and continuous exposure? (b) The hearing range can be divided into three main ranges called infrasound, audible sound and ultrasound. Define each range by relating it to humans, animals, tools, and machineries.

Answers

Prolonged and continuous exposure to noise can have various negative effects on humans, including physical, psychological, and physiological impacts. The hearing range is divided into three main ranges: infrasound, audible sound, and ultrasound.

When humans are exposed to prolonged and continuous noise, it can have detrimental effects on their well-being. Physically, noise can lead to hearing loss or damage to the auditory system. Psychologically, it can cause stress, irritability, anxiety, and difficulty concentrating. Physiologically, noise can disrupt sleep patterns, increase blood pressure, and negatively impact overall health.

The hearing range consists of three main ranges. Infrasound refers to sounds with frequencies below the range of human hearing, typically below 20 Hz. While humans cannot hear infrasound, some animals like elephants and whales can perceive it, and certain natural phenomena such as earthquakes and thunder produce infrasound. Audible sound is the range that humans can hear, typically between 20 Hz and 20,000 Hz. It includes speech, music, and environmental sounds. Ultrasound refers to sounds with frequencies above the range of human hearing, typically above 20,000 Hz. Some animals, such as bats and dolphins, can detect ultrasound, and it is used in various applications like medical imaging and pest control devices.

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Which of the following would be best for a nurse to use when assessing for fremitus in a client?
Dorsal hand surface
Pads of fingers
Ball of hand
Fist

Answers

The nurse should use the dorsal hand surface when assessing for fremitus in a client. Fremitus is a vibration felt on the chest wall when a person speaks.

When assessing for fremitus, the nurse should use the dorsal hand surface, which is the back of the hand between the knuckles and wrist. This is because using the pads of the fingers or the ball of the hand may cause unnecessary pressure on the client's chest, which can alter the results of the assessment. Similarly, using the fist may cause discomfort or pain to the client.

By using the dorsal hand surface, the nurse can feel for the vibrations without applying too much pressure and without causing discomfort to the client. It is important to note that fremitus assessment should only be performed by a trained healthcare professional, as it requires a certain level of expertise to correctly interpret the results and make appropriate clinical decisions based on the findings.

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What if anything on Mars can be used as a potential energy source? How does this compare to the various energy sources found on Earth?

Answers

Answer:

http://large.stanford.edu/courses/2017/ph240/black1/

Explanation:

If I exposed a eukaryotic cell to a drug that inactivated the ribosomes, the synthesis of which of molecules would be affected first (and probably the most)? In fact some antibiotics kill bacteria
because they inactive this part of the cell.
O proteins
O amino acids
O lipids
O steroid hormones

Answers

Either A or D that’s my best guess

A noble prize winner gave hypothesis about effect of COVID-19 vaccine. Can it be wrong? Why?

Answers

Answer: He/she can be possibly commit mistakes, though with a noble prize.

Explanation: He/she remains a human person before and after the prize. But, it has a degree of huge impact to those who know that person. Many people will tend to believe what he/she said due to the title that she/he acquired. The best thing that people do is to verify this hypothisis on their own.

Which mechanism has the least effect on natural selection over time?

Answers

Answer:

chromosome number.

Explanation:

Question 15 (1 point)
Which of these is the representative organism
for vertebrates?
picture of snail, spider, leech, sponge, sea star, coral, roundworm and fish.
snail
sea star
leech
spider
fish
roundworm
sponge
coral
leech
spider
fich

Answers

Answer:

Fish is a species that has a spine. Although other species in that list have spines, fish is a representative vertebrate example when learning about them.

Explanation:

A vertebrate is a species that has a spine / multiple vertebrae.

(I'm sorry if this was not the answer you're looking for)

((GIVING BRAINLIEST)) THIS IS BABY WORK...
What is a water reservoir?

A dam that blocks water
A place in the middle of the ocean
A place where water is collected
A small container

Answers

Answer:

A water reservoir is an artificial lake where water is stored, so the closest would be C.

Answer:

c

Explanation:

The domestication or breeding of animals to have as pets, livestock on farms, or for work purposes is a form of artificial selection. Charles Darwin used these practices to support his theory of species change by natural selection. How is artificial selection similar to natural selection?
A. Artificial selection involves breeding two different species and determining if a hybrid organism can be produced.
B. By breeding animals with specific traits, breeders were able to produce a wide variety of breeds within a short period of time.
C. For artificial selection to work, only the strong survive to reproduce .
D. When animals with favorable traits are bred with animals with unfavorable traits, the offspring will have favorable traits, so breeders were changing species by removing certain traits.

Answers

Answer:

C. For artificial selection to work, only the strong survive to reproduce .

Explanation:

what is the best definition for conclusion

Answers

Answer:

the end or close; final part. the last main division of a discourse, usually containing a summing up of the points and a statement of opinion or decisions reached. ... final decision: The judge has reached his conclusion. a reasoned deduction or inference.

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