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In which situation will afforestation be the most useful conservation measure?

Answer and explanation

Correct answer: Where green cover has decreased due to deforestation

The direct answer is B: where green cover has decreased because of deforestation. Afforestation means planting trees and creating forest or tree cover on land that previously had little or no forest. Step by step: deforestation removes trees; fewer trees mean less green cover, weaker soil protection, and poorer habitat; planting suitable trees can restore vegetation, reduce erosion, improve habitat, and support the water cycle; therefore afforestation is most useful in the situation described by B. Option A is wrong because afforestation is a conservation and restoration measure, not a method for increasing mining. Option B is correct because the problem and the remedy match. Option C is wrong because tree planting does not aim to increase salt in seawater. Option D is wrong because cutting all trees destroys the condition that afforestation tries to improve. Exam cue: first identify the environmental problem, then choose its matching remedy.

Related tags

AfforestationDeforestationGreen Cover

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