What is kinematics..???​

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."

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.