What variable is changed when a scientific experiment is carried out?

Endorphins increase basal metabolic rate. increase muscle mass. reduce appetite. reduce carbohydrate cravings.

What process uses atomic particles of carbon and uranium to determine exact age? 1. Radioactive dating 2. Law of superposition 3. Relative dating4. Geologic time

Which is always true about the distance of a planet from the sun? the farther from the sun, the shorter a planet's revolution. the farther from the sun, the longer a planet's revolution. the farther from the sun, the shorter a planet's rotation.

What evidence would best support the argument that a virus is nonliving?

How would your eating habits change if you could use only glucose for the supply of energy to your body?

Bacteriophages are bacteria that engulf and destroy viruses

What important role do fungi play in the environment

N males, which of the following organ performs a dual function of ejaculation of sperm and voiding of urine?

Men do not have all ___ in their testes at birth.

All of the following compounds are fibers except a, pectin b, hemicellulose, c, cellulose. d. lignin e, glycogen