Little nurse i’m pretty sure
It means no to cross the line. I hope this helps you :]
Answer:The Polar Ice Cap itself reflects sunlight energy (heat) back into space, rather than the heat being absorbed by the Earth. This is called albedo, the amount of sunlight reflected by an object. As the Ice Cap melts, the albedo is reduced and the Earth absorbs the energy that is not reflected.
Explanation:
The answer is between Either A or D
