Aball falling through the air has
(a) both kinetic energy because it still has a distance to move before it hits the ground and potential energy because it is moving
(b) only kinetic energy
(c) only potential energy
(d) both potential energy because it still has a distance to move before it hits the ground and kinetic energy because it is moving.

when a car stops, the brakes heat up because of friction. what is this an example of?
(a) energy being destroyed
(b) one form of energy being converted to another
(c)periodic motion
(d) elastic motion

How can you approximate the number of calories required to keep you in energy balance?

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

What type of graph presents information about how often certain or traits occur?