I think it's C. Because hibernation is usually for animals living in Continental climates. I basically just eliminated the other answers until I got that one. One example for animals living in cold climates burrowing are Arctic Foxes.
Maybe b and c ? It’s makes sense to wear protective clothing and staying indoors
Answer:
Photosynthesis
ExplanatioIn the process of photosynthesis plant take up carbon dioxide and releas oxygen
It should be B: The Tundra, it's an environment that has this permafrost and in colder times leads to pure ice.<span />
