Answer:
C.There is very little rainfall and the temperatures can be extreme.
A i think im not sure tho
Personification is going to be your answer. Don't read the rest because I am only doing this to reach the max character needed.
Noun,Because..girl im just trying to help you out
A simile can be found when using "like" or "as" between two things. Example: I'm as happy as a clown.
Your question would be a metaphor. Both things are being compared to a science expieriment, probably meaning that they need to have an outcome, but it isn't known for sure if it will be a good or bad outcome.
Things like this can be taken many ways, so if you think something else, I'm sure it would work as well.
