Answer:
i would say
Burning fossil fuels.
Explanation:
Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere.
Answer:
a.EST is GMT minus 5 hours
Minnesota<span>, </span>Wisconsin<span>, Illinois, </span>Indiana<span>, </span>Michigan<span> and </span>Ohio<span>. </span>
