Drag each label to the correct location on the chart. Sort the items based on whether they are simple machines or compound machines.
sewing machine
pair of tongs
fishing rod and reel
seesaw
wheelbarrow

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

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.

Positrons are spontaneously emitted from the nuclei of