Why does the Sun appear to move across the sky?
A) the Sun's rotation
B) the Earth's rotation
C) the Sun orbits the stars
D) the stars are orbiting around the Sun

What problem would a person most likely have if her kidney did not work correctly?

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.

List the substances normally stored in bone tissue