A water pump moves water from the bottom of a well to the surface that is 200 m higher. After running for 8 hours, the pump has moved 100,000 kg of water. How much work has the pump done?
(A) 6.8 x 103
(B) 2.0 x 107
(C) 1.96 x 108
(D) 1.57 x 109

the answer is to check all of them! they all apply well at least i think so!

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.

the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.