Help me pls will give brainliest if correct

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

How do the kidneys affect homeostasis