Polygenic traits are controlled by how many genes?
O 1
O2
O many
none

answer; ///(statins)/aka as hmg coa

the growth of the plants is affected by the heat of the light. what is the student doing?

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

(nitrogen fixation) will be your answer sorry if im wrong