A female salmon deposits her eggs in the gravel at the bottom of a stream. Then, a male salmon comes along and fertilizes the eggs. This is an example of
reproduction
ODominant
O Sexual
O Incomplete
O Asexual

it marks things for degradation via the proteasome. it alters there celluar location.

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