On and xy graph of volume (x-axis) and mass (y-axis), the slope of the line represents which of the following properties? a) time b) weight c) density d) distance

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

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

What is special about a dc circuit ?