Despite covering 70% of surface, oceans show vert low productivity because________.

What is the main reason for low productivity of oceans?

Assertion: The annual net primary productivity of the whole biosphere is approximately 170 million tons (dry weight ) of organic matter. Reason: Of this, despite occupying about 70 percent of the surface, the productivity of oceans are only 55 million tons.

Discuss the main reason for the low productivity of ocean.

Discuss the main reason for the low productivity of ocean.

What could be the reason for the low productivity of ocean?

75% of Earth's surface is covered with water.

Oceans occupy A percent of the earth surface and have a productivity of B percent of the productivity of the whole biosphere Choose the option which fits best for A & B in order

Oceans occupy A percent of the earth surface and have a productivity of B percent of the productivity of the whole biosphere Choose the option which fits best for A & B in order