Velocity of a wave is the. (a) wavelength x frequency (b) wave number x frequency (c) time period x phase (d) none

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

Convection currents are caused by differences in what two things?

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.