Given the negative effects of Acid rain on lakes and other natural ecosystems, we can conclude that the lake may appear blue and clear because of the now lack of algae that cause cloudiness and a higher pH value.
Acid rain is the downpour of rain with any acidic characteristics, such as containing nitric acid or sulfuric acid. Acid rain is often caused by pollution, in which acidic components are released high into the atmosphere and react with water and oxygen to form acid rain.
Options A and B state that acid rain may introduce new species or promote growth within the lake. These statements are false. Acid rain is toxic to nearly all living organisms and is known to quickly decimate the ecosystem of lakes.
Options C and D can both be considered correct to some extent. When the alkalinity of water becomes to high the water becomes cloudy. As well as when a lake contains many algae, the surface of the water becomes cloudy and green. Acid rain will serve to balance the pH levels of the lake and quickly kill off any algae that inhabit it, causing clearer water through both methods.
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Acid rain makes the water of the lake blue and clear due to killing the algae that cause cloudiness.
Acid rain kills the algae present in the lake because algae is not resistance to low pH which prevent it from growth and leads to death of the algae. Algae growth makes a floating surface on the water which makes the unclear so by acid rain the algae die and the water becomes blue and clear.
Acid rain occurs when the carbondioxide and sulfur dioxide gases mixes with water forming carbonic acid and sulfuric acid so we can conclude that acid rain kills the algae present in the lake and make the water blue and clear.
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