Answer this and answer the questions below!! 1) why do we need to use measuring instruments during experiments ??

2) write down three things you must remember when using science equipment??

3) Send me a image of your science room ??

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth