Multiple choice

Many scientists believe that greenhouse effect is predominantly the result of

  1. using chemical fertilizers to increase crop production

  2. testing nuclear weapons in violation of the Nuclear Test Ban Treaty

  3. using large amounts of gasoline, oil and coal in developed nations

  4. overgrazing on land

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Many scientists believe that the greenhouse effect is predominantly the result of using large amounts of gasoline, oil and coal in developed nations. The use of these products releases carbon dioxide, which is believed to destroy the ozone layer, which protects Earth from harmful solar radiation. 

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