I really hope this helps!
The main dangers worldwide are population growth and resource consumption, climate change and global warming, habitat conversion and urbanisation, invasive alien species, over-exploitation of natural resources and environmental degradation.
The goal was to orbit a spacecraft around the Earth. It has people in it. So the answer is B.
<span>is warmer then the north and the south poles</span>
A biological community of interacting organisms and their physical environment.
Harmful, because there would not be enough resources