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Slav-nsk [51]
3 years ago
6

Why is it necessary to fertilize agricultural crops to improve productivity?

Biology
1 answer:
sattari [20]3 years ago
4 0

Answer:

  • Because soil has lost nutrients.
  • To provide the right nutrients needed by a particular plant to grow.

Explanation:

Due to regulkar use of soil, the nutrients in the soil have been constantly used by the plants grown on it.

Due to this, soil has lost its value.

Application of fertilizer is one wey through which farmers artificially provide nutrients to the soil.

Therefore, application of fertilizers becomes neccessary for improved crop productivity.

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If logging operations are conducted on a hillside near a river, the operations will most likely -
Archy [21]

Answer:

D. decrease the amount of erosion along the hillside

Explanation:

When logging operations are conducted on a hillside near a river, the operations will decrease the amount of erosion along the hillside because the tree's root hold soil particles and does not allow them to erosion. We can see in many region that there is presence of vegetation on the bank of river or stream in order to prevent erosion of soil so that's why we can say that logging operations causes decrease erosion along hillside.

3 0
2 years ago
____evolution is the idea that two organisms that look similar did NOT share a
GREYUIT [131]

Answer:parellel

Explanation:

7 0
3 years ago
In what way does water support all life on earth
USPshnik [31]
Water is a key element and necessary thing life needs in order to live and thrive without water everything would die. 
4 0
3 years ago
Read 2 more answers
Why might using retroviral vectors for gene therapy increase the patient's risk of developing cancer? a. Retroviral vectors may
Svetllana [295]

The use of retroviral therapies can increase the patient's risk of developing cancer because they may integrate recombinant DNA into the genome in ways that may misregulate the expression of genes. Therefore the correct option is D.

<h3>What is retroviral therapy? </h3>

Retroviral therapy is an HIV treatment where medicines are taken as prescribed by a healthcare professional. This treatment reduces the amount of HIV in an HIV-infected person.

HIV does not have a cure but antiretroviral therapy can reduce the risk of potential health issues caused by HIV.

This treatment can help to control the virus in an HIV-infected person within 6 months. The treatment for HIV cannot prevent the transmission of other sexually transmitted diseases.

Therefore the correct option is D.

Read more about retroviral therapy, here

brainly.com/question/14512889

#SPJ4

7 0
1 year ago
A 12 pound shot put and a small metal BB are dropped from a tall tower, inside a vacuum chamber,
hichkok12 [17]

Given what we know, we should observe the objects falling at the same speed in both the tower and vacuum scenarios, but not in the water.

<h3>What affects the speeds at which these objects fall?</h3>
  • The falling speeds in both air and a vacuum will be the same for both objects.
  • This is because falling speed is determined by gravity and is independent of the mass of the objects falling.
  • The same will occur in water if and only if the densities of the two objects are equal.

Therefore, given that we can safely assume that the densities of the two objects are different from one another, we can confirm that while the objects will fall at the same speed in air and in a vacuum, this will not be the case in the deep pool.

To learn more about gravity visit:

brainly.com/question/4783082?referrer=searchResults

4 0
2 years ago
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