Answer:
The speak another language
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.
Answer:
my answer would be A. However
Brainliest if correct please.
I think that the correct answer would be :
C.) Its spare grayness sets up a desolate mood
I hope that this helps you !