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Q572924 Inglês
                                        Major Current Environmental Problems

Ocean Acidification: It is a direct impact of excessive production of C02. 25% of C02 is produced by humans. The ocean acidity has increased by the last 250 years, but by 2100, it _______ shoot up by 150%.
Acid Rain: Acid rain occurs due to the presence of certain pollutants in the atmosphere. Acid rain is a known environmental problem that _______ have serious effect on human health, wildlife and aquatic species.

(Adapted from http://www.conserve-energy-future.com).
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