Which of the following is a resistor?
fan
switch
battery

Thank you!

Ahowler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 4.6 km. assume the acoustic output of a howler to be uniform in all directions and that the threshold of hearing is 1.0 × 10-12 w/m2. what is the acoustic power emitted by the howler

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

In science and physics what is the standard unit of measure for speed?