A block and tackle pulley system of 6 pulley uses 300N to overcome 1200N. find efficiency

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life

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