The answer is A. Decreased pH levels. A substance having a pH value less than seven is considered to be acidic. Increases in the concentration of these gases from the use of fossil fuels leads to more acid precipitation, lowering the pH of aquatic environments. Plant life and soil can also be affected by acid rain. Buildings and other infrastructure can be damaged.
I think the answer is <span>Rationale: </span><span>In compensated shock, the body is able to maintain perfusion to the vital organs of the body via the autonomic nervous system.
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