Answer: it would be : C
Explanation
Be cause it is not a natural cause glaciers are water is and wind but not temperature
I believe the answer is either A or D. However, I think D sounds the most fitting but like i said, it could be either one. :)
Answer:
.
Explanation:
We are given that,
In △EFG,


To find: 
As we know that, angles opposite to the congruent sides of a triangle are congruent.
Thus, In △EFG
if
and 
then it implies 
Hence, we get
.
Im not really good with essays,but i can give you an idea.
I think the best way to learn things is to find an interest in it and continue doing some research on it until you have a good understanding of it.Thing like a new sport or experiment