Question

sea divers carry oxygen cylinders when they go deep in the sea.
Explain why? ​

Answer 1

Explanation:

Sea divers carry oxygen gas cylinders along with them because there is no free oxygen in the sea water since the little dissolved oxygen present in water can't be used for breathing by divers. It can be used only by aquatic animals.

Answer 2

Answer:

Sea divers carry oxygen cylinders when they go deep in the sea because they have lungs which do not have the ability to purify and separate oxygen from water.

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