I needz Give free points for Pl

You are sitting on the beach and wondering about the properties of mechanical waves. describe them in terms of ocean waves.

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?