<span>All of the answer choices relate a source of pollution with its effect; however, all of them except one is correct. <u>The answer is B.</u>
Option A states that the use of aerosol sprays increases ozone; however, the effect is the opposite. Moreover, the depletion does not result in acid rain. In option C, although fossil fuels do cause air pollution, they do not do so by reducing the water vapor content. Instead, they actually increase water vapor content. Their effect is of increasing the content of carbon dioxide, sulfur dioxide and nitrogen dioxide. Finally, CFCs cause ozone depletion, they do not seep into the ground.</span>
Answer is A. Alleles
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Answer:
Algea
Explanation:
Algae produce about 330 billion tons of oxygen each year.
A scientific theory. Obviously, the hypothesis would need a considerable amount of increased testing to be proven a scientific law. But, even so, it could become a theory.
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