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Bio-indicators are used for...

Bio-indicators are used for

A

Oxygen demand

B

Air pollution

C

Mineral present

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
A bio indicator is a living organism that gives us an idea of the health of the ecosystem. Some organisms are very sensitive to pollution of their environment and other by different biogeography changes taking place in the environment.
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