If an Object of Mass $20 \mathrm{~kg}$ On Earth Is Sent to the Moon, It Will Have

If an object of mass $20 \mathrm{~kg}$ on Earth is sent to the Moon, it will have a mass of

A) $0.0 \mathrm{~kg}$ .
B) $20 \mathrm{~kg}$ .
C) $4.0 \mathrm{~kg}$ .
D) $10 \mathrm{~kg}$ .