Disruption of which natural cycle most likely contributes to this temperature increase

Here I'm s your

Well, Global warming plays a big part of mautral rule because of volcano's and factory's and cars Corbin dixode goes in the air and heats up the Earth more than it needs to causing death of many crops.

Your answer is
Global Warming

Ithink it’s c or b for the answer.

Some of her  assignments would be creation of drugs. she is a medical chemist after all so she'd need to have the necessary knowledge to make medicine which can later be sold in a pharmacy