in which layer would you find the most organic matter?
a.bedrock
b. horizon c
c. subsoil
d. horizon a
Answers
Answer:
D
Explanation:
Related Questions
What are Lysosomes responsible for in the cell
A. storing nutrients
B. protein synthesis
C. cleaning up the cell
Answers
C. cleaning up the cell. Proteins, nucleic acids, carbohydrates, and lipids can all be broken down by the variety of enzymes found in lysosomes, and membrane-enclosed organelles.
What functions does the lysosome perform?Every eukaryotic cell has membrane-bound organelles called lysosomes. They are well-known as terminal catabolic stations that eliminate waste from cells and scavenge metabolic raw materials to maintain vital biosynthetic reactions under famine.
Are nutrients stored in lysosomes?Aside from storing and supplying nutrients, the lysosome also produces building blocks (such as amino acids), recycles nutrition and growth factor receptors, and takes part in the quality assurance for crucial metabolic organelles.
Are proteins recycled by lysosomes?Human cells' lysosomes capture and degrade defective proteins to recycle amino acid building blocks.
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Refer to Figure 5-1. Between point B and point A, the slope is equal to −1/4, and the price elasticity of demand is equal to 2/3. −1/4, and the price elasticity of demand is equal to 3/2. −3/2, and the price elasticity of demand is equal to 1/4. −2/3, and the price elasticity of demand is equal to 3/2.
Answers
Between point B and point A, the slope is -1/4, and the price elasticity of demand is 3/2.
The slope of a linear demand curve represents the rate at which the quantity demanded changes with respect to a change in price. In this case, the slope between point B and point A is given as -1/4, indicating that for every 1 unit increase in price, the quantity demanded decreases by 1/4 units.
The price elasticity of demand measures the responsiveness of quantity demanded to a change in price. A price elasticity of demand of 3/2 indicates that the demand is elastic. This means that a 1% increase in price will result in a 1.5% decrease in quantity demanded. Conversely, a 1% decrease in price will lead to a 1.5% increase in quantity demanded.
Therefore, between point B and point A, the slope is -1/4, and the price elasticity of demand is 3/2.
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The roof of an eco-house is covered with soil. Covering the roof with soil decreases the thermal conductivity of the roof. What are the two of the choices listed below are advantages of having a roof with a lower thermal conductivity?
1) Less energy is needed to heat the house.
2) The rate of energy transfer by conduction is greater.
3) The roof is a better insulator.
4) The roof is less likely to leak.
5) Weather will have a greater effect on the temperature of the house.
Answers
Answer:
To understand how insulation works it helps to understand heat flow, which involves three basic mechanisms -- conduction, convection, and radiation. Conduction is the way heat moves through materials, such as when a spoon placed in a hot cup of coffee conducts heat through its handle to your hand. Convection is the way heat circulates through liquids and gases, and is why lighter, warmer air rises, and cooler, denser air sinks in your home. Radiant heat travels in a straight line and heats anything solid in its path that absorbs its energy.
Most common insulation materials work by slowing conductive heat flow and convective heat flow. Radiant barriers and reflective insulation systems work by reducing radiant heat gain. To be effective, the reflective surface must be in contact with an air space.
Answer:
Explanation:
A thick layer of material with a low thermal conductivity reduces the rate of heat transfer from the ceiling into the roof space.
5. Why are metamorphic rocks formed by contact metamorphism usually not as dense as those
formed by regional metamorphism?
Answers
Answer:
The rock was altered by high temperature with extreme pressure
Explanation:
Fossils would be destroyed
Metamorphic rocks formed by contact metamorphism are usually not as
dense as those formed by regional metamorphism because of their mode of
formation which involves a higher temperature without little or no pressure.
Contact metamorphism involves rock formation as a result of contact with
hot magma. The regional metamorphism involves the formation of rocks
deep in the soil through extreme temperature and pressure over a wider
area.
This is the major reason why the metamorphic rocks from contact
metamorphism are denser than the regional metamorphism.
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The attributes that can be arranged into hierarchy are cal'
Select one:
a. Simple attributes
b. Derived attributes
c. Atomic attributes
d. Composite attributes
15. Relational model eases the job of the programmer, compared to earlier data models such as Select one:
a. Both Network and Hierarchical
b. Network model
c. Hierarchical model
d. Semistructured model
16. The set of values which specifies which values are to be assigned to individual entities is considered as
Select one:
a. Derivation of values
b. Composition of values
c. Attribution of values
d. Domain of values
17. The structuring of database by specifying the types and constraints of data is classified as
Select one:
a. Analyzing a database
b. Filtering a database
c. Creating a database
d. Defining a database
18. The relational model is today the primary data model for commercial
Select one:
a. Data program application
b. Data processing applications
c. Data management applications
d. Data storage applications
19. The function which causes the retrieval of any kind of data from database is considered as
Select one:
a. Storing cycle
b. Structure
c. Query
d. Key
20. In relational database schemas, the transition constraints are also known as
Select one:
a. Explicit constraints
b. Implicit constraints
c. Static constraints
d. Dynamic constraints
21. The form of data model in which the concepts provided are useful for end users and are also close to the way it is stored in computer system is called
Select one:
a. Representational data models
b. Clientele data models
c. Implementation data models
d. Both representational and implentation data
models
22. The form of data model which focuses the concepts in the same way as the data stored in computer system is classified as
Select one:
a. Medium level data models
b. Dynamic data models
c. High level data models
d. Low level data models
23. The key that uniquely identifies each record is called
Select one:
a. Field name
b. Key record
c. Unique key
d. Primary key
24. The key that uniquely identifies each record is called
Select one:
a. Field name
b. Key record
c. Unique key
d. Primary key
Answers
The attributes that can be arranged into hierarchy are composite attributes. A composite attribute, as the name suggests, is composed of multiple atomic or simple attributes.
The attributes that cannot be split into simpler attributes are called atomic or simple attributes. Composite attributes. A composite attribute is one that is made up of two or more atomic attributes. The reason for grouping the attributes together is so that the users can understand the attributes better. Relational model eases the job of the programmer, compared to earlier data models such as both Network and Hierarchical.
Network and Hierarchical models were replaced by the Relational model due to its limitations. As opposed to the Network and Hierarchical models, which have restrictions on the way data is stored, the Relational model provides more flexibility and simplifies the programmer's work. The set of values which specifies which values are to be assigned to individual entities is considered as Attribution of values.
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En las clases de ciencias estan hablando de varios movimientos que presentan las plantas debido a estimulos de ambiente, Pedro propone, un proyecto de investigacion para mostrar la infliensa de la luz solar en dichos movimientos:parada,semiacostada, y acostada. ¿en que parte final debe colocar el movimiento numer3? A.En los procedimientos b.En los resultados c. En las conclucione d.En los propocitos
Answers
Answer:
En resultados
Explanation:
El experimento se basa en analizar el movimiento de la planta en respuesta a la luz solar, desde distintas posiciones:
planta paradaplanta semiacostadaplanta acostadaDurante su experimento, Pedro debe ir registrando los movimientos que observa en las distintas plantas a medida que recibe la luz del sol. El registro de dichos movimientos ante el estímulo forma parte de los resultados.
- Objetivo o propósito del trabajo: analizar la influencia de la luz solar como estimulo para generar un movimiento en plantas desde distintas posiciones.
- Procedimiento: Ubicación de plantas en distintas posiciones y bajo las mismas condiciones ambientales. Exposición de todas las plantas a la misma cantidad de radiación solar. Observación del movimiento durante un periodo de tiempo determinado.
- Resultados: Registro del movimiento de cada planta en cada posición durante el periodo de tiempo que fueron expuestas a radiación. En esta instancia de vuelca en tablas o gráficos, o se describe qué fué lo que se observó durante el experimento. Cuál fue la respuesta de cada una de las plantas.
- Conclusión: Relación entre lo esperado y lo observado. Comparación con otros trabajos similares.
Evidence of evolution worksheet 2
Answers
This sheet represents the different stages of fetus development shown in the diagram. The status of the fetus in different trimester.
What is natural selection?It is a process by which living organisms evolve. Natural selection has to do with organisms being best suited for their environment surviving and reproducing more often.
The natural selection theory was proposed by Darwin. It states that organisms with traits that enable them to adapt better to the environment survive better and contribute more to the future population.
In the process of reproduction, the adaptive traits are passed to future generations. Thus, the future generation would be made up of individuals with adaptive traits. Weak individuals without the adaptive traits gradually fade off from the population.
Therefore, This sheet represents the different stages of fetus development shown in the diagram. The status of the fetus in different trimester.
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Two genes are 14 map units apart on the X chromosome. What percent of the father's gametes will be recombinant
Answers
Two genes are separated by 14 map units on the X chromosome. The percentage of the father's gametes that will be recombinant is 30%.
How is the recombination rate calculated?To assess the occurrence of the permutation, the rate of recombination between two genes is determined. As the ratio is multiplied by 100, the value expresses the percentage of recombinant gametes in the total gametes. Thus, if the recombinant gametes make up 30% of the total, the recombination rate is 30%.
With this information, we can conclude that Parental Gametes are formed even if there is no recombination and appear in greater numbers. Recombinant Gametes are formed only if there is an exchange and appear in smaller numbers.
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What is the chance that the offspring will have hair?
Answers
Answer:
2 in 4, 50 percent
Explanation:
in the punnet square, you can see that half the boxes ar Hh, which means the offspring will have hair.
All living needs energy it is requirement for life. In a typical cell atp the high energy molecules is produced in the ___ in the presence of sugar
Answers
Which is the end result of cytokinesis from a cell undergoing mitosis?
a. one cell that has two identical copies of DNA
b. one cell that has two different copies of DNA
c. two cells that have two identical copies of DNA
d. two cells that have two different copies of DNA
Answers
Answer: C two cells that have two identical copies of DNA
Explanation: Took the test!
trueAs allergens are very small particles and may remain suspended in air if aerosols are generated, every effort should be applied to contain them as close to their source point as possible by using filtered cages, biological safety cabinets, and other negative pressure filtered devices
TRUE
Answers
The statement allergens are very small particles and may remain suspended in air if aerosols are generated, biological safety cabinets, and other negative pressure filtered devices is true Allergens are often very small particles that can easily become airborne and remain suspended in the air for extended periods of time.
This can make them difficult to control and can pose a significant risk to individuals who are sensitive to the allergen. To minimize the risk of exposure, it is important to use appropriate containment measures, such as filtered cages, biological safety cabinets, and negative pressure filtered devices.
These devices are designed to capture and contain the allergen as close to its source as possible, reducing the likelihood that it will become airborne and potentially cause harm.
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Background info: Over the years, the climate of lake Avanadrank has been changing. The number of frogs and toads in the area has also been changing. Perhaps this could be related to climate change? It is up to your team to decide!!! The frog population is represented by the green curve, and the toad population is represented by the brown curve.
Frogs and toads are both amphibians. They both breathe through their skin and prefer environments that are clean and have a water source. Frogs are a bit more sensitive to pollution, although both species are. Frogs also require more water in an environment and more moist environments in general. This is because their skin is more sensitive to moisture and more apt to dry out.
Hypothesize: What do you think is happening to the environment? How is this supported by the data given?
Answers
Based on the information provided, it can be hypothesized that the changing climate of Lake Avanadrank is impacting the environment, specifically the water availability and moisture levels. This hypothesis is supported by the data given, where the frog population is represented by the green curve and the toad population by the brown curve.
The fact that frogs require more water and moist environments suggests that they are more sensitive to changes in water availability and moisture levels. Therefore, if the climate of Lake Avanadrank has become drier or if there has been a decrease in water sources, it could be negatively affecting the frog population. This could explain the observed changes in the frog population over the years.
On the other hand, toads are generally less sensitive to moisture and can tolerate drier conditions to some extent. Therefore, the toad population might be less affected by the changing climate and could potentially be more resilient or adaptable to the environmental changes in Lake Avanadrank.
Overall, the hypothesis suggests that the changing environment, particularly the water availability and moisture levels, is impacting the frog population more significantly compared to the toad population, as supported by their respective population curves.
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Which sentence describes how the endoplasmic reticulum and Golgiapparatus work together?A. The endoplasmic reticulum provides instructions to the Golgiapparatus for making proteins.B. The Golgi apparatus receives proteins from the endoplasmicreticulum that it can modify or store for later use.C. The Golgi apparatus and the endoplasmic reticulum produceproteins that are then sent outside the cell.D. The endoplasmic reticulum produces usable energy that the Golgiapparatus uses to make proteins.
Answers
Cell Biology: Parts of the cell. Organelles.
The endoplasmic reticulum is an organelle found just outside the nucleus that is made of several interconnected cisternae, which membranes are continuous with the outer nuclear membrane.
It has two sections: the rough endoplasmic reticulum, which has ribosomes on its surface, and the smooth endoplasmic reticulum.
Basically, the endoplasmic reticulum synthetizes proteins and membrane lipids, and then sends them to the place that needs them.
In turn, the Golgi body or Golgi complex is a different organelle that is also made of cisternae, and where the proteins sent from the endoplasmatic reticulum are processed and modified before reaching their final destination.
This means the correct answer would be B. The Golgi apparatus receives proteins from the endoplasmic reticulum that it can modify or store for later use.
How do scientists think that siv has jumped hosts to humans?
Answers
Scientists believe that Simian Immunodeficiency Virus (SIV), a virus that infects non-human primates, jumped to humans and evolved into Human Immunodeficiency Virus (HIV) through a process called zoonotic spillover.
Zoonotic spillover occurs when a virus from an animal species, in this case, non-human primates, crosses over to humans. It is believed that the initial transmission of SIV to humans occurred through the hunting or handling of infected non-human primates, and subsequent exposure to their blood or other bodily fluids. This is known as zoonotic transmission.
Once SIV entered the human population, it evolved to become more efficient at infecting human cells, resulting in the emergence of HIV. The exact mechanisms of this evolutionary process are not fully understood, but it is thought to involve a combination of genetic mutations in the virus and selective pressures within the human host.
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(brainliest) Describe the five global winds that occur.
Answers
Answer:polar easterlies, westerlies, horse latitudes, trade winds, and the doldrums.
Explanation:
SPENT 100 POINTS, NEED HELP ASAP!!!
My assigned technology is GENE THERAPY, and I am making my own slideshow!
On the next THREE slides (first slide, second slide, third slide), explain the science behind how the technology works, in your own words.
*** Does not have to be very complex or long!
Answers
Gene therapy is a type of medical treatment that involves the manipulation of genes to treat or prevent disease.
How would you explain GENE THERAPY?The idea behind gene therapy is to introduce a functional copy of a defective or missing gene into a patient's cells, thereby correcting or compensating for the underlying genetic defect that causes a disease.
There are several approaches to gene therapy, but most involve using a carrier or vector, such as a virus, to deliver the desired genetic material into the patient's cells. Once inside the cell, the genetic material can integrate into the patient's genome or stay as an episome, depending on the vector used. The goal is to have the corrected gene produce functional protein, thereby reversing the genetic defect and treating the disease.
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Cookware companies have been using a chemical called C-8, which helps to create a nonstick coating to pans. However, the Environmental Protection Agency (EPA) recently claimed that the use of C-8 in the manufacturing of nonstick cookware should be discontinued because studies show it causes cancer.
Who might benefit financially the most from the EPA’s claim?
Answers
Answer:
Explanation:
The choices provided are:
a.restaurants that use C-8-coated cookware
b.cookware manufacturers who make pans out of steel only
c.stores that sell C-8 nonstick cookware
d.individuals who use steel cookware at home
From these choices B is the correct answer.
Restaurants that use C-8 cookware will not profit from using it but will need to lose money by replacing the old C-8 coated cookware.
Stores that sell this nonstick cookware will also need to replace their inventory so they won't be making extra money, only losing it.
And individuals at home will still be using steel cookware and won't benefit or lose anything by this change with the regulations of the c-8 coated nonstick cookware.
Vaccines are given to provide protection against pathogen causing infections. Which of
the following statements best describes how vaccines work?
Group of answer choices
A. Antibodies in the vaccine provide the body with nonspecific immunity to an antigen.
B. Fever and swelling develop which is the first response in killing a pathogen.
C. An inactivated or killed virus stimulates the body to develop specific immunity to that type of virus.
D. Heathy bacteria causes the body to release toxins which will protect the body if later exposed to different type of bacteria.
Answers
Answer: Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body. Newer vaccines contain the blueprint for producing antigens rather than the antigen itself. Regardless of whether the vaccine is made up of the antigen itself or the blueprint so that the body will produce the antigen, this weakened version will not cause the disease in the person receiving the vaccine, but it will prompt their immune system to respond much as it would have on its first reaction to the actual pathogen.
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John is hiking and notices a small stream of water flowing down the side of the mountain. What part of the water cycle is John observing?
A) Runoff
B) Evaporation
C) Condensation
D) Precipitation
explain why.
Answers
The gradual modification of anatomical structures during the period from conception to maturity is called _____.A) development.B) differentiation.C) embryogenesis.D) capacitation.E) All of the answers are correct
Answers
Development, option A, is the steady transformation of anatomical structures during the time from conception to maturity.
The study of how organisms are constructed and operate is the primary goal of the branch of biology known as "anatomy" (sometimes referred to as "dissection"). Anatomy is a branch of natural science that focuses on the structural makeup of living things. It is an ancient science that dates back to the Palaeolithic age.
Anatomy is inextricably related to developmental biology, embryology, comparative anatomy, evolutionary biology, and phylogeny since these are the processes that create anatomy over short- and long-term timescales, respectively. Anatomy and physiology, which look at the structure and function of organisms and their parts, are two examples of related disciplines that are frequently combined. among the fundamental fields of study utilised in medicine.
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Describe ways in which a healthy artery differs from an artery affected by coronary heart disease
Answers
Which best describes the cell theory? Edg2020
Answers
Answer:
Cell is the basic structural unit of an organism
All cell reproduce by pre existing cells
Answer:
As technological advancements are made, the cell theory may change.
codominance cross with blood types (5 pts) a mother has ab blood and a father has type o blood. what is the probability that their offspring will have type a blood? can they have offspring with type o blood?
Answers
blood group Either A or B is the blood group their offspring can have and the probability is 50%.
If the father has the blood group O, his genotype is IOI LO or (ii). Because the mother is of blood type AB, her genotype is IAIB. Combinations of these two groups could result in children with genotypes IAIO or IBIO, giving them blood groups A or B, respectively. Thus, blood group O cannot be found in children if one of the parents is a member of the group. A blood type is a type of blood that is distinguished by the presence or absence of antibodies and inherited antigenic substances on the surface of red blood cells. Depending on the blood group system, these antigens can be proteins, carbohydrates, glycoproteins, or glycolipids.
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please help i’ll give brainliest
Answers
Answer:
its the second answer
Explanation:
When do the hormone levels increase?
Answers
WILL GIVE BRAINLIEST!! Please just take time to look! Thank you:) Under the right circumstances, the lysogenic cycle changes to the lytic cycle. Explain whether the lytic cycle can change to the lysogenic cycle.
Answers
Answer:
I don't think that lytic cycle can change to the lysogenic cycle.
Environmental stressors such as starvation or exposure to toxic chemicals may cause the prophage to excise lysogenic cycle and enter the lytic cycle.
Hope it helps.
In your own words summarize what you learned during the course of this activity. Plant, animal and algae cells
Answers
This project taught me how to correctly set a slide up for viewing. To sharpen the image coming from the ocular, I learned how and where to focus a microscope. How to see the various components of a cell by illuminating the membrane, cytoplasm, nucleus, ribosomes, lysosomes, and mitochondria with dye.
For example, the cell inside the leaves known as Palisade Mesophy is in charge of producing food through photosynthesis through a process known as photosynthesis, and as a result, they also produce oxygen that we require. Cells make up all living things, both fauna and flora, including us people.This project taught me how to correctly set a slide up for viewing. To sharpen the image coming from the ocular, I learned how and where to focus a microscope. How to see the various components of a cell by illuminating the membrane, cytoplasm, nucleus, ribosomes, lysosomes, and mitochondria with dye.
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In contrast to phylogenetic and ontogenetic primacy, understanding the role of interactional primacy in everyday communication requires ______.
Answers
Interactional primacy refers to the notion that social interactions, and not biological or developmental factors, should be the primary focus of study in language acquisition. This concept emphasizes the role of communication with others in language development.
According to interactional primacy, social interactions are key for the development of communication and language skills.Therefore, in order to understand the role of interactional primacy in everyday communication, one must pay close attention to the ways in which people interact with each other. This includes observing the ways in which individuals use language to communicate and how their interactions shape their communication styles. By understanding the role of interactional primacy, researchers and educators can gain insight into the best ways to support language development and improve communication skills.
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Which is the strongest claim for a presentation about the global problem of a lack of clean drinking water? It is interesting to note that 82% of people who lack access to improved water live in rural areas, while just 18% live in urban areas. Everyone deserves access to clean drinking water, but it is unlikely that this goal can ever be reached. The United States is one of the many countries that are very lucky to have access to well water, bottled water, and tap water. The lack of access to clean drinking water poses a serious health risk around the world, and funds must be raised to help achieve universal access.
Answers
Answer:
The lack of access to clean drinking water poses a serious health risk around the world, and funds must be raised to help achieve universal access.