Free points if you give me discord names
I need discord friends!!!

Which best represents the law of conservation of mass ?

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?