Mileposts mark distance along a highway. a car traveled from milepost 15 to milepost 185. to calculate the average speed of the car, what additional information is necessary? the minimum and maximum speeds of the car the initial and final speeds of the car the time of the journey the total length of the highway

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