_________the rain forests is very important, if we do not want the flora and fauna found there to become extinct.

  • A. Reserving
  • B. Destroying
  • C. Preserving
  • D. Maintaining

Explanation

Preserving rain forests means protecting them from destruction, which helps prevent their plants and animals from becoming extinct. “Destroying” has the opposite meaning, and “reserving” is not suitable here.

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