A 615 watt refrigerator runs 24 hours/day. How much energy is used per month (30 days)?

14.76

Explanation:

If you put it in the calculator it would show

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.

higher potential

explanation:

because it is in a high speed so it must move into a of high potential