What effect can be observed in a planet's speed in its orbit as it travels away from the Sun?
A increases
B. remains same
C. decreases
D. unpredictable

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.

The discovery of the electron as a subatomic particle was a result of