Heat is

a. when energy is destroyed.

b. the flow of energy caused by temperature differences.

c. when energy is created.

Difference between veins and artery

Why are the size of our muscles partly an acquired trait and partly dependent on DNA?

John is riding a ski lift to the top of Wildcat Mountain. He removes his gloves and rapidly rubs his hands together to warm them up. What happens when John rubs his hands?

Is plastic foam is a good source of thermal conductor or thermal insulator?

The Silurian period occurred A. during the Hadean eon. B. after the Permian era. C. before the Neogene period. D. during the Mesozoic era.

What must be presented in orders for cloud to form

When so few members of a species reamin that it can no longer play its role in the biological communities where it is found, the species has undergone?

Describe what type of macromolecule lactose is and what the monomer of the macromolecule is

When Santos stands in a swimming pool and looks at his feet, his legs appear to be bent. Which is the term for this phenomenon? A) diffraction B) dispersion C) reflection D) refraction

What triggers pfiesteria change from a harmless algae feeder to a toxin producing fish killer?