What physical quantities discussed in this chapter change most ...

[nevelica]

What physical quantities discussed in this chapter change most when a junked car is neatly crushed into a compact cube?
 
  A) The car's weight and volume change, but not its mass.
  B) The volume of the car changes as well as its average density.
  C) The car's temperature changes, but not its average density.
  D) The mass of the car changes as well as its volume.

Question 2

What is the role of a neuron in the body?
 
  A) to transmit electrical impulses
  B) to store sodium ions
  C) to accept light signals and convert them into electrical signals
  D) the neuron is a neutral particle with the same mass as a proton
  E) to connect nerve cells together

[jaykayy05]

Answer to Question 1

B

Answer to Question 2

A

[nevelica]

Gracias!

[diana chang]

Thanks for the timely response, appreciate it