Effect of pollutions first and most marked on:
Correct answer: D. Natural balance of our ecological environment
- A. Natural flora of a place
- B. Natural gaseous cycle
- C. Natural geochemical cycle
- D. Natural balance of our ecological environment
Explanation
Pollution first disturbs the ecological balance because organisms, food chains and natural interactions respond directly to contaminants. Changes in gaseous and geochemical cycles are important consequences, but the broader immediate effect is on ecological balance.
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