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Algae are useful because they...

 Algae are useful because they

A

are large in number

B

are used in alcoholic fermentation

C

purify the atmosphere

D

are used in study of photosynthesis .

Text Solution

Verified by Experts

The correct Answer is:
C
Maximum solar energy is trapped by algae and hence they evolve maximum amount of oxygen by the proces of photosynthesis. Therefore algae are useful because they purify the atmosphere by releasing oxygen.
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