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  • Natural Resources and their Management - 3
  • Increase in the percentage of fauna and decrease in flora...
Multiple choice

Increase in the percentage of fauna and decrease in flora may be dangerous because it enhances

  1. percentage of CO2

  2. percentage of radioactive fallout

  3. percentage of diseases

  4. percentage of O2

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Because plants (Flora) extrates oxygen and farma (Animal life) exhale CO2.

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