Do not use the car frequently because of its environmentally damaging gases. Instead of using your car you can use bicycles.
Answer:(We breathe because oxygen is needed to burn the fuel [sugars and fatty acids] in our cells to produce energy.) What happens in the process of respiration? ... (The energy station of the cells, called mitochondria, process oxygen to power the cells. As part of the combustion process, carbon dioxide is released.)hope it helped in someway ig idk
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d.crust
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because he covered the layer of the earth
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the main body system is circulatory system?
