It is D. because the student is using a <span> thermometer and a rain gauge </span>
An oxidant or oxidizing agent is the substance in the redox reaction which undergoes reduction. Reduction occurs when the substance's charge has lowered after the reaction.The other process where the charge increases is called oxidtion.
Answer:
By breaking down glucose into an energy molecule (ATP), so by producing energy which is necessary for the cell's survival.
Explanation: