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lisov135 [29]
3 years ago
8

What is the major source of air pollution today?

Biology
2 answers:
erma4kov [3.2K]3 years ago
6 0
Big trucks and all motor generated machines or automobile vehicles are the major cause for air pollution. Smoke coming from the pipes that go down to the engine and come up through the pipes burst into he air, making air unhealthy and more dangerous in the big cities. 
sveta [45]3 years ago
5 0
Oil and gas, that type of thing I think
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Name the structures and functions of the integumentary system
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The answer is:

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Which of these finding suggests a serious illness from a urinalysis?
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2 years ago
How are viruses spread from cell to cell?
abruzzese [7]

Answer:

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Explanation:

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7 0
3 years ago
Proteins produced by the immune system to destroy substances containing antigens are called
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Read more: <span>http://www.scienceclarified.com/Al-As/Antibody-and-Antigen.html#ixzz4YlY105DD</span></span>
4 0
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3. How did the invention of the light microscope
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