Under which set of circumstances will the pressure of a gas DEFINITELY increase?

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

If a star is moving toward earth, it is

What ia the energy of an object because of its potential and kinetic energies