A solid has a definite meaning that there is only one shape there can be meaning a solid has a definite volume
I think it is D- diluting a solution sorry if i am wrong
Answer:
number 10 is the value of acceleration due to gravity.
Choice (3) would be one of the objects because when its stretching its waiting to release the energy. Then choice (1) would be the other object because when it rolls the energy stored in the ball would be released when stopped. Therefore there storing the energy until released.