Power is the rate at which work is done.
Explanation: Power is defined as the rate at which the work is done or the rate at which heat is transferred. We also can define this as the amount of energy converted or transferred by unit of time.
The work is calculated in the units Watts (W)
Then the right answer here is the second option; "Power is the rate at which work is done."
the five characteristics of adolescence are biological growth and development, and undefined status, increased decision making, increased pressure and the search of self.
your answer is, orbit around the nucleus
power is the amount of work that is done.