Oil coats the surface of the water, endangering sea life during an oil spill. why doesn’t oil dissolve in ocean water?
a. oil and water are both polar.
b. the liquids are at different temperatures.
c. oil and water are both nonpolar.
d. oil is nonpolar, and water is polar.

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.