Multiple choice

The most severe environmental hazard to mankind is due to

  1. air pollution

  2. water pollution

  3. noise pollution

  4. radioactive pollution
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Radioactive pollution is considered the most severe because radioactive materials can remain hazardous for thousands of years, cause genetic mutations that affect future generations, and spread through air, water, and food chains. Unlike other forms of pollution which may be reversible, radioactive contamination can persist for geological timescales.

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