Which of the following is true? *

a. humans use sand, which is a nonrenewable resource to make glass
b. Humans use coal, which is a renewable resource, to make charcoal for BBQ grills.
c. humans use petroleum, which is a nonrenewable resource, to make gasoline for cars.

C.  Humans use petroleum, which is a nonrenewable resource, to make gasoline for cars

Explanation:

a. humans use sand, which is a nonrenewable resource to make glass -

                It's a renewable source

b. Humans use coal, which is a renewable resource, to make charcoal for BBQ grills.

         It's a nonrenewable source

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.