Name two ways that we know that increases in atmospheric carbon dioxide comes from burning of fossil fuels formed from old dead plants many millions of years ago. Explain in your own words in 2-4 sentences. (8.5 points) Explain the long-term inorganic carbon cycle. What processes in this cycle are a source for atmospheric carbon dioxide? What processes in this cycle are a sink for atmospheric carbon dioxide? Does this cycle affect atmospheric oxygen? Explain in your own words in 2-4 sentences.
