A nonrenewable resource is a resource that is:
a. used at a faster rate than natural processes create them.
b. used for non-useful things, like gemstones.
c. not being created today.
d. created by natural processes as fast as they are used.
Question 2
Which of the following is not a technique used for the desalination of salt water?
a. freezing
b. distillation
c. chemical precipitation
d. reverse osmosis