What would happen if a lightning rod on the roof of a house did not have a wire to the ground? why?

The gravitational attraction between two objects will if one object acquires more mass .

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.