An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials (gravel, sand, or silt). Groundwater can be extracted using a water well.
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The chemical change of glucose and oxygen into energy is called <span>Aerobic Respiration. With the formula: (</span><span>C6H12O6) </span><span>+ </span><span>6O2 </span><span>= (</span><span>6CO2) </span><span>+ </span><span>6H2O </span><span>+ </span><span>E.</span>
