Me in order to be considered science, concepts must be select one: a. testable and obvious. b. believable and trustworthy. c. testable and observable. d. functional and observable.

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

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

What are the north and south poles of a solenoid change with?