The answer to this is rolling friction
I can tell you that it is NOT B.
I got it wrong.
A. The black moths were more fit for survival, so their phenotype frequency increased.
I just did a project over this in biology and kinda hated it lol but there's the answer, have a gr8 day m8
I don’t know the answer but i can recommend two app that might
AP Bio
Cel Biology-101