Below you will find the solution for: Leading to the first animals this element began to build up in the atmosphere 2 BYA as a product of photosynthesis Jeopardy .
Since you already solved the question Leading to the first animals this element began to build up in the atmosphere 2 BYA as a product of photosynthesis which had the answer OXYGEN, you can simply go back at the main post to check the other answers. You can do so by clicking the link here Jeopardy January 23 2020
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