(Q).
The farther the object is stretched or compressed, the greater its elastic potential energy is. Letting a stretched a rubber band become looser decreases or increases its elastic potential energy?
(A).
decreases

(Q).
To reduce friction, oil is added to the engine. Dana wants things to slide around easily without too much friction, so she uses oil in amounts that are greater or smaller?
(A).
greater

(Q).
Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time. Ray analyzed the color of moths for a project. He notices that black moths produce more adult offspring than white ones. The white moth's traits will likely become less or more common over time?
(A).
less