Your answer is D. 8
16 = 2^4
72 = 2^3*3^2
So you'll choose 2^3 = 8
What are some of the body's internal defenses. The skin helps protect stuff to!
Sled going down is in motion
Sled hitting rock is unbalanced
He flew because the of the sudden stop threw them off
The pencil attached to the negative terminal of the battery collects hydrogen gas while the one connected to the positive terminal collects oxygen.
enzymes, bacteria release enzymes to break down the decaying organic matter into simple forms, that they can comsume