2 Points If you want to lift a 20-kg box off the floor to a height of 0.5 meters, how much
work will it take?
O A. 40 J
OB. 980J
C. 98 J
D. 10 J

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.