Which factors improve soil fertility? Select the three correct answers.

A. Nitrogen
B. Humus
C. Manure
D. Horizons
E. Bedrock​

Answers

Answer 1
A.Nitrogen
B.Humus
c.Manure
hope this helps

Related Questions

Describe sea turtle populations during the late 1400’s

Answers

Answer:

6.5 million sea turtles

Recent estimates show us that there are nearly 6.5 million sea turtles left in the wild with very different numbers for each species, e.g. population estimates for the critically endangered hawksbill turtle range from 83,000 to possibly only 57,000 individuals left worldwide.

Explanation:

hope it helps you

 

porfavor especifica que quieres que te diga

Explanation:

what will most likely happen if a population is large and no migration, mutation, or environmental change occurs?
1. natural selection will increase
2. nonrandom mating will start to occur
3. the rate of evolution will increase
4. gene frequencies will remain constant

Answers

4. Gene frequencies will remain constant

A researcher crossed two plants, and informed an assistant researcher to determine the genotypes and phenotypes of the plants that were crossed by analyzing the offspring. The assistant counted 30 plants with green pods and 10 plants with yellow pods. Which of the following conclusions can accurately be made by the assistant?

a. The researcher had selfed a true-breeding plant with green pods.
b. The researcher had crossed true-breeding plants of differing pod colors.
c. The researcher had crossed two heterozygous plants.
d. The researcher had crossed two plants with yellow pods.
e. The researcher had crossed a plant with green pods to a plant with yellow pods.

Answers

Answer:

c. The researcher had crossed two heterozygous plants.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

Short Answer Questions
What TWO things are necessary for evolution by natural selection to
occur?

Answers

Selective pressure and an adaptation. Having the adaptation allows the organism to survive long enough to pass their genes. Without a selective pressure, the adaptation would just be a trait

Darwin’s finches evolved on an island. What is the main reason that islands often provide good examples of evolution?

Answers

Islands are isolated

Answer:

They allow for automatic biogeographic isolation. In rock layers, jellyfish fossils are found lower than trilobite fossils, and trilobite fossils are found lower than ammonite fossils.

Explanation:

(found it on quizlet feel free to rewrite in you own words)

What is the most likely
explanation for the DNA found in
mitochondria?
A. Mitochondria was once a prokaryotic
organism.
B. Mitochondria was once a eukaryotic
organism.
C. Mitochondria was once a primkaryotic
organism.

Answers

Answer:

A

Explanation:

its a

The most likely explanation here is that mitochondria was once a prokaryotic organism. The correct option is A.

What is mitochondria?

Mitochondria are membrane-bound cell organelles that produce the majority of the chemical energy required to power the cell's biochemical reactions (mitochondrion, singular).

The mitochondrial energy is stored in a small molecule known as adenosine triphosphate (ATP).

Mitochondria are special compartments (organelles) in our cells best known for their role as powerhouses, converting food molecules into ATP, a molecular fuel for the rest of the cell.

Mitochondria and chloroplasts most likely evolved from engulfed prokaryotes that were once self-contained organisms.

At certain point, an aerobic prokaryote was engulfed by a eukaryotic cell, which then formed an endosymbiotic relationship with the host eukaryote, eventually developing into a mitochondrion.

Thus, the correct option is A.

For more details regarding mitochondria, visit:

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Drag the tiles to the correct boxes to complete the pairs.
Match the mRNA sequences to their DNA sequences.
AUUACGCAU
CCGAAAUGU
GAUCAUUAC
UUUUUAACG
AAAAATTGC
arrowRight
GGCTTTACA
arrowRight
TAATGCGTA
arrowRight
CTAGTAATG
arrowRight

Answers

Answer:

mRNA sequence1=AUUACGCAU

DNA sequence1=TAATGCGTA

mRNA sequence2=CCGAAAUGU

DNA sequence2=GGCTTTACA

mRNA sequence 3=GAUCAUUAC

DNA sequence3=CTAGTAATG

mRNA sequence4=UUUUUAACG0

DNA sequence4=AAAAATTGC

The diploid number for the tasmanian devil is.

Answers

Answer:

14.

Explanation:

A Tasmanian Devil has a diploid number of chromosome which is 14 while on the other hand, there are 7 number of chromosomes in the sex cells. The sex cells i.e. sperm and egg has haploid number of chromosome so the number of chromosomes in sex cells of Tasmanian Devil is 7 while on the other hand, in the somatic cells or body cells there is diploid means double number of chromosome so the diploid number of chromosome for Tasmanian Devil is 14.

Density is mass divided by volume (d = m ÷ v). Based on the graph, what happens to a fixed mass of water when it is cooled from 4°C to 0°C?

Answers

Answer:

you get -29580 C

Explanation:

you have to add and then multiply 4 by it 4 time and then use the formula and change it to a geometriconaical formula to get that answe

Ari drew a diagram to show organisms in an ecosystem.

A flowchart. Cycle 1: 1, Grass. 2, Grasshopper. 3, Shrew or Mouse. 4, Fox. Cycle 2: 1, Grass. 2, Mouse. 3, Fox or Snake. Cycle 3: 1, Grass. 2, Rabbit. 3, Fox.

What did Ari draw?

a food chain
a trophic chain
a food web
an energy web

Answers

Answer: Ari draw a food web.

Explanation:

A single ecosystem which contains all the food chains is called a food web.

In a food web each living thing present in a food web is a part of multiple food chains. Hence, food webs tend to represent the overlapping of food chains in that ecosystem.

The flow chart drawn by Ari represents that the living things present in cycle 1 are part of cycle 2 and cycle 3. Also, living things present in cycle 2 are part of cycle 1 and cycle 3.

A food chain is basically a single path where each organism is dependent of the other as a source of food without any overlapping.

Thus, we can conclude that Ari draw a food web.

Answer:

c

Explanation:

3. DNA and Protein similarities are often used for molecular evidence of evolution. What is being compared to show relatedness among species? Explain how this works.​

Answers

Answer:

The sharing of common ancestors

……………,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

Answers

Answer:

these r so many which one?

Explanation:

How vulnerable

How vulnerable is the human body? I was told to never be afraid of anyone

Answers

Answer:

I don't know what you mean but emotionally the human body is very fragile and physically the human body is very strong

How and why does the epidermis produce new skin cells?

Answers

Answer:

About 95 percent of the skin cells in the epidermis are devoted to creating new skin cells in the lower two levels of the epidermis, which then cycle to the top layer to help form the stratum corneum. Eventually the dead cells of the stratum corneum flake off as new keratinocytes move up, and the cycle repeats itself.

Hope this answer is right!!

A species of wasp dies out in a prairie ecosystem. This species used to perform the important task of pollinating a widespread plant species. This ecosystem will be less damaged by this local extinction if​

Answers

Answer:

C.

there are other insect species that also pollinate the plant.

Explanation:

ba kiểu truyền tín hiệu của tế baò

Answers

Repost it in English please

what is a Businesses favor:

Answers

Answer:

Like what would you want to do to start a business

Explanation:

To get rich and have a lot of money

what bond is broken when energy is released?

Answers

Answer:

Bonds are both broken and made in chemical reactions but many biology teachers and textbooks state that "Breaking ATP bonds releases energy." In reactions bonds are broken and made. If the strength of the bonds formed exceeds the strength of the bonds broken the reaction is exothermic.

Explanation:

Hope this helps. :)

Plants convert ________.

Answers

Answer:

sunlight into energy

Explanation:

write paragraph about digestion of food in brief​

Answers

Answer:

Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream.

Explanation:

according to wikipedia!

Digestion is nothing but breaking down of substances into simpler forms, which the body can use. We eat many things and they have very complex compounds, our body cannot use these compounds. So, different parts of our digestive system breaks down different compounds to simpler forms, so that our body can use it for different functions.

I need help on this please and thank you!

Answers

Answer:

I think it's probably 2,3, and 4 :))

Answer:

renewable resources can be replenished.

most renewable resources are easily available in nature.

all renewable resources are cost effective.

What are altitudes? help pls

Answers

Answer:

Altitude is how high vertically something is by definition

1 : height above a certain level and especially above sea level. 2 : the perpendicular distance from the base of a geometric figure to the vertex or to the side parallel to the base.

What is biotechnology, and what are some examples from the ocean?

Answers

Answer:

Marine biotechnology may include techniques such as bioprocessing, bioharvesting, bioprospecting, bioremediation, using bioreactors etc (so called process biotechnology techniques); aquaculture/fisheries; gene, protein, or other molecule based techniques; while applications may include: health, food, cosmetics

Coffee trees grown in the shade of taller forest trees produce fewer coffee beans than trees grown on cleared forestland. However, unlike coffee grown in full sun, shade-grown coffee preserves some habitat for forest birds and other organisms. What is one advantage of growing coffee in the shade?
A. It harms the environment.
B. It provides farmers with greater profits.
C. It costs more than other growing methods.
D. It helps maintain forest biodiversity.

Answers

Answer:

d

Explanation:

provides animals with homes letting them breed

It helps maintain forest biodiversity. Therefore, option (D) is correct.


Why is coffee grown in shade?

One advantage of growing coffee in the shade is that it helps maintain forest biodiversity. By growing coffee trees in the shade of taller forest trees, farmers preserve some habitat for forest birds and other organisms, which can help to maintain the overall biodiversity of the forest ecosystem.

This is particularly important in regions where forests are being cleared for agricultural purposes, as it can help to mitigate the negative impact on the environment.

While shade-grown coffee may produce fewer coffee beans than trees grown on cleared forestland or in full sun, it provides important ecological benefits that are not captured by purely economic considerations

Learn more about coffee, here:

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What does the symbiotic relationship commensalism mean? (Question is from GradPoint.)


A. One organism captures and eats another


B. One organism benefits and the other is not affected


C. One organism feeds off of another organism


D. Both organisms benefit

Answers

Answer:

B

Explanation:

Commensalism is a symbiotic relationship in which one species benefits while the other species is not affected.

Answer: B. One organism benefits and the other is not affected

How do organisms have a negative impact on the water cycle? And how can they affect other organisms with your answer? Please help.

Answers

Too much of one organism can cause an imbalance in the habitat because of its niche occupation

What would be the reaction of sea anemone if a glass rod touch the tip of its tentacles?​

Answers

Answer:

releasing venom from the skin

ONE FOOD CHAIN that was affected by the introduction of wolves and model it

Answers

Answer:

Carnivorous

Explanation:

The wolf, also known as the gray wolf or grey wolf, is a large canine native to Eurasia and North America. More than thirty subspecies of Canis lupus have been recognized, and gray wolves, as colloquially understood, comprise non-domestic/feral subspecies. Wikipedia

width and size of a cheek cell

Answers

Answer:

it is 0.06milimeters or 60 micrometres

Explanation:

a human cheek cell is about 60 micrometres in diameter.if it was 100000 times bigger, it would have

the length of an average classroom (6m).

1. What is stimulus?

2. Define response.

3. What are tropic movements
4. What excretory products are produced in plants?

5. When do stomata open and close?

Answers

Answer:

1.someting that causes directly, development, interest.

2.an answer to somebody something

3.directional movement of particular part of a plant in response to environmental stimuli

4. carbon dioxide, oxygen

5. allow for the uptake of carbon dioxide anf to limit the loss of water due to evaporation

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