Answer:
4 oxygen molecules
Explanation:
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After miles of running and sprinting in intervals, the runner's muscle ache and feel fatigue due to anaerobic respiration taken place in the muscle cells.Anaerobic respiration in animal cell gives Carbon Dioxide and lactic acid as products. Due to the formation of lactic acid after running, muscles feel fatigue and ache.
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Answer: Water that pools atop saturated ground is known as runoff.
Explanation: Hope this helps :)
Community, habitat is in general and ecosystem is the whole place, not just the soil.