Evidence would the fossils they left in the grounds they found.
Coal is made up of carbon, so burning coal releases carbon
<u><em>Answer:</em></u>
<u><em>Combustion</em></u>
<u><em>Explanation:</em></u>
<u><em>The step in the carbon cycle didn’t really exist before the industrial revolution was Combustion</em></u>
<u><em /></u>
<u><em>please mark me brainliest <3</em></u>
Answer:
A chromosome is tightly compacted DNA, and a gene is a section of DNA that is used to code for certain characteristics.