What kinds of characters can you use to create a data matrix for estimating phylogenetic trees?

you can have just about every answer you can think of

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