Multiple choice

Biosphere reserves are being threatened with

  1. rainfall

  2. pollution

  3. soil erosion

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

Biosphere reserves face significant threats from various forms of pollution including air pollution, water contamination, and industrial waste. Pollution disrupts delicate ecological balances, harms wildlife, and degrades habitat quality. While rainfall and soil erosion are natural processes, and population rate affects many ecosystems, pollution represents the most direct and widespread anthropogenic threat to protected areas.

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