Oxygen present in air is responsible for respiration. The oxygen breaks down food and releases energy.
Question
Which gas present in air is essential for aerobic respiration? What is the role of oxygen during respiration?
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1. Which process is being tested in the activity? 2. What is the result of the activity? Give reasons.
1.In which jar, will the amount of CO2 be the highest and why? 2. In which jar, will the amount of CO2 be the lowest and why?