How are oceans useful to mankind?

1.	How are oceans useful to mankind?
Answer» 1. Ocean water is saline. It contains several mineral salts’ dissolved in it. 2. The oceans are the main source of rainfall. 3. Oceans are storehouses of fish and other seafood. 4. They are the main source of salts. 5. Oceans provide natural highways for international trade. 6. Oceans regulate the temperature of the coastal regions. 7. Oceans are necessary for the balance of the ecological systems. 8. Pearls are found in oysters. 9. Some fish like cod and shark provide us with liver oil which is used as a tonic. 10. Oceans provide us with large quantities and a variety of marine foods such as fish, shrimp, oysters, and crabs, etc.

Answer»

1. Ocean water is saline. It contains several mineral salts’ dissolved in it.

2. The oceans are the main source of rainfall.

3. Oceans are storehouses of fish and other seafood.

4. They are the main source of salts.

5. Oceans provide natural highways for international trade.

6. Oceans regulate the temperature of the coastal regions.

7. Oceans are necessary for the balance of the ecological systems.

8. Pearls are found in oysters.

9. Some fish like cod and shark provide us with liver oil which is used as a tonic.

10. Oceans provide us with large quantities and a variety of marine foods such as fish, shrimp, oysters, and crabs, etc.

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