From his study of pea plants, Gregor Mendel concluded that when two traits are inherited, the expression of one trait- A. tends to dominate the expression of the other trait
B. happens independently of the other trait
C. prevents the expression of the other trait
need help

trachea, alveoli, lung capillaries, arteries

i think that it is c, d, and e, hope this

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