Which statement is one of the the tree parts of cell theory? (a) all cells come from other cells. (b) plant and animal cells are exactly alike. (c) cells grow like crystals.
(d) cells assemble themselves from whatever is around.

How air particles exert a pressure on the inside of the balloon

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.

Did the detergents containing enzymes work better at removing stains than those containing no enzyme? why or why not?