Nuclear energy can be used to power
a. street lights
b. businesses
c. homes
d. all of the above

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

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

Frequency of electromagnetic waves that a radio station is assigned is called