Answer:
C
Explanation:
Reducing more volume will mean that the density of gas is higher and therefore it would be at higher pressure. Adding more gas would have the same effect.
Lowering the temperature would mean that the molecules would be moving slower and therefore decreasing pressure
Neutrons have no charge. This means the nucleus of an atom is always positively charged. An atom has a neutral overall charge because it has the same number of electrons as protons.
Ima just assume it is a true or false question and say true, as to make an experiment valid, only one variable has to be tested.
