What types of rocks do the numbers 2, 3, and 5 represent, in that order? a. igneous, sedimentary, metamorphic
b. metamorphic, igneous, sedimentary
c. sedimentary, igneous, metamorphic
d. sedimentary, metamorphic, igneous

Can nonrenewable resources be used sustainably? a. no, there's a finite amount of nonrenewable resources b. yes, nonrenewable resources are always beneficial for the environment c. yes, as long as use doesn't exceed availability d. no, there are only negative effects of using nonrenewable resources