Answer:
im pretty sure it is underpopulation.
I I think that it is liquid
"<span>Covered with an enormous sheet of ice" would most likely match Europe, although it should be noted that this was a while ago and changes with time. </span>
I’d go with B. (if it’s not then C)
Answer:
I think the answer would be D,I'm not really sure though,hope I'm right,sorry if I,m not :)
Explanation: