Ineed with questions 72 and 73 and it’s very hard and i’m struggling with it and if you need to see the picture big then click on it and it will be big

After hydrogen and oxygen, witch element makes up almost all of the most common substance in your body

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

How do you date a sample of rock that you suspect as being one of the earliest on earth