If the light colored moths were better adapted to the light colored trunks of the trees, why were dark colored moths still present in the population of Boston betularia prior to 1845?

not: both offer magnification to the atomic level.

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101

answerparathyroid gland;