Multiple choice

Which action would be least likely to harm endangered species?

  1. releasing more carbon dioxide into the atmosphere

  2. reducing the human population

  3. decreasing the amount of dissolved oxygen in the oceans

  4. reducing the thickness of the ozone layer
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Reducing the human population decreases the demand for land and resources, which alleviates pressure on ecosystems and endangered species. The other options are harmful activities.

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