The variable is the group that was given caffine, because thats what the doctors manipulated. They possibly altered the natural memory of the participants by giving them caffine. A more specific variable could be how much caffine each participant is given and what time are they given it.
<h3>What is an antacid?</h3>
An antacid can be regarded as substance that is used in the neutralization of the acid that is in the stomach.
Most of the time an antacid is usually used in ;
- relieving heartburn
- indigestion relieving an upset stomach.
- treatment of constipation.
Learn more about antacid at:
brainly.com/question/2449385
Answer:
that's my answer
Explanation:
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