If the mass is 90g and the volume is 100 ml what is the density

. ph changes the ability of them he enzyme to dissolve in water.

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

segmented body, an exoskeleton made from chitin, and joint appendages.