Question

what is used by cells for obtaining energy ?
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Answer 1

Explanation:

Food preservation prevents the food from being spoiled by the action of enzymes and microorganisms. 2. ... It increases the availability of various foodstuffs even at distant and not easily approachable places. In other words, it makes the transportation of the food materials

Answer 2

Answer:

Cells obtain energy by the process of respiration. In the process of respiration the food (glucoses) is broken down with the help of oxygen to release energy along with CO2 and water. So glucose and oxygen is used by cells for obtaining  energy.

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