Answer:
Carbon is part of our bodies, but it's also part of our modern-day industries. Carbon compounds from long-ago plants and algae make up the fossil fuels, such Deeper under the ground are fossil fuels such as oil, coal, and natural gas, When humans burn them, carbon is released into the atmosphere as carbon dioxide.
Explanation:
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Multiply by the power of 10x and you get your answer. Which is by to ten.
Since an animal only becomes more complex, and not simpler, an ancestor to all organisms would have to be the most simple and primitive organism.