Six:
1. Upper Mississippi
2. Arkanas River
3. Illinois River
4. Missouri River
5. Ohio River.
6. Red River
A.because it experiences different temperatures since it is near a large body of water
Answer:
North american and Eurasian plates
Explanation:
Iceland has a divergent boundary formed by the above two plates and it sits on the Hotspot and a mantle plume as since iits between the Mid Atlantic ridges believed to be contributed in dispersal of continents across the ocean.
I personally believe that the right answer is C. Other overpopulation results in more living organisms, and since the pollution has intoxicated the living, they die releasing the carbon into the soil. So there is high amounts of carbon and less of the organic compounds because the overdose on carbon.