In 1962 environmental costs amounted to approximately 1 trillion dollars. by 2002 environmental costs
a. quadrupled.
b. stayed the same.
c. doubled.
d. tripled.

a. Quadrupled

Explanation:  Environmental costs are costs related to the actual or potential worsening of natural resources due to economic activities such as producing, distributing, or consuming products or services. Put simply, environmental costs are something like the air is being more polluted as production increases.          

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