ANSWER IS:( A PHYSICAL CHANGE INVOLVING CHANGE OF SHAPE AMD SIZE OF MATTER)Mrs. Clark decides to do a demonstration for her class with a piece of notebook paper. Using a balance, Mrs. Clark discovers that the mass of the paper is 20 g. She then takes the piece of paper and cuts it into several small pieces. The cumulative mass of the small pieces is 20 g. What has Mrs. Clark demonstrated for her class? A.
a physical change involving change of mass
B.
a physical change involving change of shape and size of matter
C.
a chemical change involving change of shape and size of matter
D.
a chemical change involving change of mass

physical change involving change of shape and size of matter

Explanation:

The chemical makeup didnt change, it's still paper, just smaller pieces. The physical change here is the same as if you cut your hair, the hair is still hair, you just have a little less on your head and the rest is in your hand.

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.