Why are fossil fuels considered nonrenewable resources?
a. they are being consumed in many different ways.
b. it takes 500 million years for reserves to form.
c. burning fossil fuels pollutes the atmosphere.
d. they need to be extracted from the ground.

The genetic code is essentially the same for all organisms. based on this information, one can logically assume which of the following statements to be correct? a. dna was the first genetic material. b. the same codons in different organisms translate into the different amino acids. c. different organisms have different numbers of different types of amino acids. d. a gene from an organism can theoretically be expressed by any other organism. e. all organisms have experienced convergent evolution.