In what directions must energy be added to cause the indicated phase change? a) solid to gas, gas to liquid, liquid to solid b) solid to liquid, gas to liquid, solid to gas c) solid to liquid, liquid to gas, gas to solid d) solid to liquid, liquid to gas, solid to gas

Which suspect most likely committed the robbery and how do you know

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12