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

C

Explanation:

we know non renewable resources once used up can't be replenished, the question of can it be used sustainably certainly does not present a good picture of its use. It is certainly more difficult to replace such resources.

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

answer///multiple alleles;