Plz Help I kinda need the answer rn

Research the neutrino using the internet and report your findings. in a nuclear decay, the nucleus of an atom splits apart. larger particles can be detected and their masses and velocities can be recorded. explain how the existence and properties of the neutrino could be predicted using the conservation laws.

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

Explain why electric current cannot exist if a current doesn't have a voltage source.