Astronauts who traveled to the moon were able to float slightly as they walked along its surface. Why were the astronauts able to do this? a
The weight of the astronaut on Earth is less than his weight on the moon.

b
The mass of the astronaut on Earth is less than his mass on the moon.

c
The weight of the astronaut on Earth is greater than his weight on the moon.

d
The mass of the astronaut on Earth is greater than his mass on the moon.

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