Given the requirements of mangrove forests, it is likely that they have developed in europe canada the great lakes southeast asia

Don't do Canada, its Southeast Asia.

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

lol idk man i guess u gotta ask bill nye the science guy