Question

the oxygen content is the lower layers of water of dash sea is almost negligible​

Answer 1

Answer:

In the Indian Ocean, mid-depth oxygen minimum zones (OMZs) occur in the Arabian Sea and lowers oxygen concentrations in the central/eastern basin to suboxic levels; furthermore.

ㅤㅤㅤㅤ ㅤOR

Deep ocean waters hold far less oxygen than surface waters because they haven't been in contact with air for centuries. Oxygen can get into the sea as wind and waves stir the surface or through photosynthesis, which takes place in surface regions where light penetrates. Warm water is lighter.

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