The elements of the earth are in a constant process of being
A. Recycled
B. Disposed of
C. Used up
D. Consumed

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Name the intersection of plane bpq and plane cpq.