Answer:
the answer is A
Explanation:
Bc if read the question very carefully you will understand it.
I believe its the last one: 95% of the surface of Antarctica, which contains 70% of Earths freshwater supply, is covered by ice.
Adverb phrases describe why something is done, or how, or where: they gave more information about the circumstance.
Here it's <span>C. During our second visit - it gives the information about when the relevant action happened. </span>
