How many protons would an element with the atomic number 10 contain? A) 3
B) 5
C) 8
D) 10

10

Explanation:

Atomic number is the number of protons in an element!!

segmentation=endoskeleton=backbone=coelom=tissues

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