Which material is LEAST dense?
zircon
oxygen
carbon disulfide
air

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?

This is the substance(s) formed in a chemical reaction.

Frequency of electromagnetic waves that a radio station is assigned is called