Which hormone functions in the regulation of the body's metabolic rate?
a. insulin
b. thyroid hormone
c. vitamin d
d. glucagon

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.

Pulmonary arteries carry highly oxygenated blood. true or false?