Mass measures the amount of in a substance or an
object
a
matter
b gravity
space
d
vapour

A

Explanation:

Mass is the measure of matter.

You can take a baseball to the moon and it'll have a different weight but the mass will be the same.

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.