Osurvive and advance, humans have used the natural resources in their environment for at least as long as recorded history. some of these are renewable, like the wood from a forest, and some natural resources are not renewable, like oil pumped out of the ground. this is because we can use the wood from the forest, and plant trees to replace what was taken. with oil, we cannot replace what we have used, so when it is gone, it is gone for good. what is another example of a resource that has a limited supply? a) air. b) soil. c) coal. d) the sun.

C.  Coal

Explanation:

Coal is a fossil fuel that develops from remains of ancient organisms. Death of plants and their subsequent burying in ground initiates the process of coal formation. Anaerobic conditions do not allow the bacteria and fungi to decompose the wood completely. The buildup of heat and pressure on partially decomposed wood converts them into coal over a long period of time. Since coal formation is a slow natural process, it is a non-renewable energy source with limited supply.

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explanation:

thymine. in rna, thymine is replace by uracil