Proton and neutron because e does not matter much
and the mass of atom as you already know is consist of p and n
Answer:
Light demonstrates wave-like and particle-like characteristics
Explanation:
Light itself is a wave but under circumstance it will present particle-like charcteristics. This is called wave-particle duality :)
Jets streams play a key role in determining the weather because they usually separate colder air and warmer air.
