Explain the water cycle in polar regions​

Yes, all that ice – from sea ice and pack ice to icebergs and ice sheets – is an important, yet often neglected part of the water cycle. Earth’s ice, existing in various forms such as sea ice, ice shelves, icebergs, ice sheets, glaciers, lake ice, river ice, snow, and permafrost, even has a special name: the cryosphere.

Explanation:

Ice, Snow, and Glaciers and the Water Cycle

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.

your answer would be a, maximum exploitation of resources.