The digestive and respiratory tracts include the pharynx. The pharynx is found at the back part of the throat and is connected to the mouth and the nasal cavity. It then extends to connect into the esophagus and larynx. The pharynx serves as passageway for air during respiration and food for digestion.
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I think it is the first one
There is more solute in the roots
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Human activity can affect the amount of carbon in the atmosphere. When fossil fuels like oil, coal, and natural gas are burned, carbon dioxide is released into the atmosphere as waste.
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