Hello! i kind of need this before the 19th of october since i would be having an examination and would like to have some detailed explanations beforehand.

thank youuu

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.

there is none because earth is stationary and flat.

b) nuclear ive learned that in a pedtrodic table