1. Given that the total number of atoms on our planet remains fairly constant, how is it ever possible to deplete a natural resource such as a metal? 2. 57. An artist wants to create a metal sculpture...

1. Given that the total number of atoms on our planet remains fairly constant, how is it ever possible to deplete a natural resource such as a metal?

2. 57. An artist wants to create a metal sculpture using a mold so that his artwork can be readily mass produced. He wants his sculpture to be exactly 6 inches tall. Should the mold also be 6 inches tall? Why or why not?