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.
B a glow stick is the answer
What I think will happen as time goes by and right this second is that the earth is just going to fill and fill and fill with pollution
If your asking how kitchen tools avoid rusting the answer is to maintain them dry after use or buying stainless steel that contains chromium which helps the metal protect it from rusting