If earth's mass increased the gravitational force between earth and the moon

Is the alien theory a scientific claim? why or why not? just took the test it was , : " the alien theory is not a scientific claim because it is not based on valid data, there is no evidence to support it, and it does not come from a reliable source."

Aphysical change is a change in the size, shape,, or stafe of matter true or false

This is the number of complete movements of a wave per second.