Because they no longer have their source of fuel: warm moist air above the sea.
It would probably be .D. Plankton populations decreasing.
Answer:
the orientation of Earth's tilt with respect to the sun – our source of light and warmth – does change as we orbit the sun. In other words, the Northern Hemisphere is oriented toward the sun for half of the year and away from the sun for the other half.
Explanation:
