Why are oceans least productive?

Give general electronic configuration of least reactive group. Why are they least reactive?

Give general electronic configuration of least reactive group. Why are they least reactive?

Which of the following ecosystem is least productive ?

Which of the following ecosystem is least productive ?

Which of the following ecosystem is least productive ?

Which of the following ecosystem is least productive ?

Where is the most productive area of the ocean ?

Phytoplanktons are an important part of ocean food chains. They are found in high productivity zones of an ocean. An increase in ocean temperature during specific times causes the death of phytoplanktons. If all phytoplanktons die in the given food chain, then

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