The mass number of Fe is 56 . how many neutron are there in a single Fe atom

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

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.