I believe the answer is: Lifting
There are several things that must be followed to adhere to a safe lifting technique. The first one is to make sure that you have a proper grip on the object that you lift. The second one is to not bend or twist the waist during the lifting motion, your back and waist should always be straight. The last one is to keep your legs shoulders-width apart.
The size and shape have no effect on density of matter because the size and shape of the particles stay the same no matter what.
Answer: Number of atoms of carbon in carbon dioxide, tell me if it's right
D. Ethos and Logos.
It uses persuasion and gives facts.
