Please submit the rest of the question please :)
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.
Answer:
105°
Explanation:
Two angles are linear if their angle measures add up to 180°. (This is also known as vertical angles.)
If we know the measure of one angle, we can easily find the measure of the other, assuming x is the missing angle:

Hope this helped!
A cold front is the transition zone where a cold air mass is replacing a warmer one, (They move more slowly than warm front's.) Others are Characteristics of cold front's and they move faster than warm.
Hope this helps<3