If you were in charge of making the decision to clean up the city’s polluted water, would you make laws to reduce the use of chemicals, schedule cleanups, or stop all use of chemicals?

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