What
investigations provide large amounts of information about a wide range of variables.

Which describes a relationship based on the general theory of relativity?

Acceleration in space and magnetism on Earth have opposite effects on objects.Acceleration in space and magnetism on Earth have the same effects on objects.Acceleration in space and gravity on Earth have opposite effects on objects.Acceleration in space and gravity on Earth have the same effects on objects. 

Your answer is 1.5 hope i  

The answer would be a) -80of