Which of these is a cost of fossil fuels?

5) these are organisms where the genetic material is not bound by a nucleus. they are usually unicellular.

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?