I would Say C. Water I’m not sure but that’s my best guess
Answer:
I'm not sure but I think it is convection.
The answer is Polish
Hope that helps
1) Hunting: People can over-hunt a species killing too many of them too fast.
2) Global warming: A place can get to hot for them to survive their anymore like coral reefs for example.
3) Destruction of habitats: This can leave animals defenseless and open to attack.