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Question 48 (2 points) Where do carbon and iron come from? (_:} Star fusion " Black holes @ (:; The big bang (:) Supernova Question 49 (2 points) This time period is known for: first hard parts, a huge evolutionary explosion of diversification, first chordates. The abundance of fossils starting here is so different from older rocks, that the older rocks are all lumped together. What is the name of this time period? () Permian .(_';-. Anthropocene T O Jurassic - .\\_j Cambrian