Explain how your heart rate changes during warm-up, exercise, cool-down, and rest. How do these changes impact the strength of the heart muscle?

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?

Which process is represented by the pv diagram? a. the isobaric process b. the isovolumetric process c. the isothermal process d. the adiabatic process

Which component of the earth’s atmosphere is decreased due to photosynthesis?