Multiple choice

Which of the following does not typically cause permanent changes to an ecosystem?

  1. climate change

  2. rain

  3. natural disaster

  4. humans
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Rain is a natural, recurring weather phenomenon that is essential for ecosystems. In contrast, climate change, natural disasters, and human activity often cause long-term or permanent alterations to habitats.

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