How is mass different than weight?

a
Weight is the amount of matter, and mass is the amount of matter plus energy.
b
Mass is the amount of matter, and weight is the amount of matter plus energy.
c
Mass is the amount of matter, and weight is the amount of matter plus gravity.
d
Weight is the amount of matter, and mass is the amount of matter plus gravity.

c. Mass is the amount of matter, and weight is the amount of matter plus gravity.

c

Mass is the amount of matter, and weight is the amount of matter plus gravity.