Why are peer reviews important?
a. scientists receive questions and criticism from their peers.
b. data are checked for accuracy.
c. scientists receive comments and suggestions from other scientists.
d. all of the above

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

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