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alexandr1967 [171]
2 years ago
5

Air pollution is caused by;

Biology
1 answer:
nalin [4]2 years ago
7 0

Answer:

2.

Explanation:

only 2 of them are the causes of air pollution

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The nitrogen cycle includes what that breaks down waste and put nutrients into the soil
AleksandrR [38]

1 Nitrogen Fixing.

2 Decomposition and Ammonification.

3 Nitrification.

4 Denitrifying bacteria.

6 0
2 years ago
Your life would be most immediately threatened if you suffered destruction of the ______.
Degger [83]

Answer;

-Medulla

Your life would be most immediately threatened if you suffered destruction of the Medulla.

Explanation;

The medulla oblongata is a portion of the hindbrain that controls autonomic functions such as breathing, digestion, heart and blood vessel function, swallowing, and sneezing. It is located in the brainstem, anterior and partially inferior to the cerebellum.

-The medulla is easily the most important part of the brain. It's functions are involuntary, or done without thought. We would not be able to live without the medulla because of the myriad of crucial tasks it performs including regulating blood pressure and breathing.

5 0
3 years ago
How are the roles of pecan trees and fox squirrels related within an ecosystem?
zavuch27 [327]

Fox squirrels eat the pecans and other animals eat the squirrels


8 0
2 years ago
What is the difference between climate and weather? If you’re not sure, take a guess.
vlada-n [284]
The difference between weather<span> and </span>climate<span> is a measure of time. </span>Weather<span> is what conditions of the atmosphere are over a short period of time, and</span>climate<span> is how the atmosphere "behaves" over relatively long periods of time.</span>
4 0
3 years ago
Read 2 more answers
What is apoptosis? A. The proliferation of cytotoxic T-cells. B. The receptor on a cytotoxic T-cell that recognizes MHC molecule
castortr0y [4]

Answer:

Option-C

Explanation:

Apoptosis is a genetically controlled process taking place in the multicellular organisms which is marked with the self-destruction called or programmed cell death.

During apoptosis various physiological and morphological changes take place in the cell such as fragmentation of nuclear DNA, nucleus, shrinkage of cell and mRNA decay.

Since apoptotic cell undergoes cell death which is genetically controlled or programmed by the genes, therefore, apoptosis is known as the programmed cell death.

Thus, Option-C is the correct answer.

8 0
3 years ago
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