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Earn 100

Define biotic index.
Important Questions on Ecology and Conservation
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Explain Rivet Popper Hypothesis.

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Match the following:
Column A | Column B | ||
1. | Oxygen | a. | Upper atmosphere |
2. | Carbon dioxide | b. | Factory chimneys |
3. | Water vapour | c. | Combustion |
4. | Smoke | d. | 0.03% |
5. | Ozone | e. | Humidity |

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