Answer:
Nitrogen
Explanation:
Nitrogen
The most abundant naturally occurring gas is Nitrogen (N2), which makes up about 78% of air (oxygen)
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Answer:
Acid rain: Rainfall made so acidic by atmospheric pollution that it causes environmental harm, chiefly to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels.
Alternative fuels is an excellent way to prevent acid rain and to stop using nonrenewable fuels and switch over to renewable sources of energy, such as solar, wind and water energy.
True
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C. Coral reefs
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