Who am I? I am a black, nonmetallic element found in coal, oil, gas, and am present in all known lifeforms. I am the fourth most abundant element in the universe by mass. Diamonds and graphite are made of me. E-mail me with your answer. Include the element's chemical symbol.
Image taken from: bradleygoughdiamonds.com
Image taken from: bradleygoughdiamonds.com
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