Someone pls help me with this

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?

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?