Which statement is true about your mass?
a) you would have less mass on the moon.
b) you would have less mass on the earth.
c) you would have more mass on the earth.
d) you would have the same mass on the earth and moon.

the answer isn't A, it is D, You would have the same mass on the Earth and moon

m=9

step-by-step explanation:

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.