An object on the moon would weight less than on earth because: a. the moon is closer to the earth than the sun. b. gravity is constant in the universe. c. the strength of gravity is relative to mass. d. high tides affect the gravity of earth

Which of the following is an example of a concurrent power? a. when a group of states work together to regulate interstate commerceb. when a federal law enforcement agency state policec. when a state creates a treaty with a foreign governmentd. when a local government collects taxes on imports