Answer:
Humans impact the environment in several ways. Common effects include decreased water quality, increased pollution and greenhouse gas emissions, depletion of natural resources and contribution to global climate change. Some of these are the direct result of human activities, whereas others are secondary effects that are part of a series of actions and reactions.
Because the core is nothing but iron and its heated by the sun
Antarctica once belong of the Gondawa that was called a
super continent, at that time the Antarctica was surfaced with forest and had
coastal warm currents on its shores. And
when the Antarctica detach from the
continent Gondwana and moved to the south, it begin to change the waters
cooled, the temperatures dropped, the forest disappeared, and the snow begin to
covered the land then was compacted into
ice over time, all combining to create coal deposits.