Given a scientific question, generate a correct answer to it.

Ex Input:
Meters, such as those in analog fuel gauges on a car, are a common application of magnetic torque on a current-carrying what?

Ex Output:
loop

Ex Input:
What is fluid friction with air called?

Ex Output:
air resistance

Ex Input:
The wrist and base of the hand are formed by what series of small bones arranged in distal and proximal rows?

Ex Output:
carpal