Select the correct answer. The motion of a car on a position time graph is represented with a horizontal line. What does this indicate about the car's motion?
ОА.
It's not moving
OB.
It's moving at a constant speed.
OC. It's moving at a constant velocity.
OD. It's speeding up.

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water