Which of the following represents the subparticles for magnesium? 12p, 12e, 13n
12p, 13e, 14n
12p, 13e, 14n
12p, 12e, 12n

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

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.