| 1. Most of the oxygen in the atmosphere is generated by the algae. |
| 2. Evaporation of salt and water turns into rain |
| 3. Large amount of carbon dioxide is absorbed by the algae in the atmosphere. |
A) 1 only
B) 2 only
C) 3 only
D) None of the Above
Correct Answer: D
Solution :
Oceans: they are the biggest and the most varied of the ecosystem. Most of the oxygen in the atmosphere is generated by me the algae. Here salt water evaporates and turns to rain which in turn falls on land. Large amount of carbon dioxide is absorbed by the algae in the atmosphere. Inter - tidal zone is the zone which connect ocean to the land. Only few species exist in rocky coastal areas as very few tides reach there.
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