Juan is making ice tea. When he adds ice to the tea, why does the tea cool down?

When using two-wire cable to feed a 240-v appliance that does not require a neutral wire, you should a. mark both ends of the white wire green. b. use the cable as is. c. use only the black wire. d. mark both ends and any exposed area of the white wire black.

Distinguish between a transverse wave and a longitudinal wave.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2