Questionnaire

Thanks for your reply ! 1. A 2.Yes 3.Id say it won't rust and air can't get to it because it's covered with grease . Correct ?

1. A ball has less energy at the end of the bounce than it had at the beginning why ? A. Energy is lost B.The energy transfers to heat C.energy is missing D.Energy transferred back to owner 2. A paper clip is put in water and there's air on top of it and they're all in a close test tube . Can air get to the paper clip ? 3.A paper clip that is covered with grease is put into a close test tube filled with air . Can it rust and can air get to the paper clip ? PLEASE EXPLAIN YOUR ANSWERS REGARDING QUESTION 1 THANKS!!!!