2. Two objects exert a gravitational force of 4 N on each other.
a. If the mass of one object is doubled, what will be the new force of gravity between the two objects?

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

Sound is a disturbance that travels through a medium as a

Arrange the images in order to show how lake-effect snow occurs.