Answer:
Diffusion stops when the concentration of the substance is equal in both areas.
Explanation:
It doesn't mean that the molecules of substance are not moving any more, just that there is no overall movement in one direction.
Answer:
False
Explanation:
Your heart rate will drop if you stop exercising and it will give you a false heart rate.
Answer:
A. Increased Speed
Explanation:
stretching can't affect your speed, instead it enhances flexibility, helps you preform perform activities more efficiently and you will have a better range of motion.
Answer:
tobacco products contain over 4,000 different chemicals.
