Most of the earth's usable carbon is in its
a. sedimentary rocks.
b. atmosphere.
c. biomass.
d. oceans.
e. mantle
A
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You are studying an ecosystem in your campus; after a solid base of carefully observed and described
facts, your next step would be to:
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A) neuroglial cell B) interneuron C) motor neuron D) neuron
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A. double-stranded DNA. B. single-stranded DNA. C. single-stranded RNA. D. double-stranded RNA. E. There are no exceptions here. Each of these types may be found in viruses.