Answer:
C)caffeine is the independent variable
Explanation:
Caffeine is the independent variable and word recall is the dependent variable. Word recall is dependent on the presence or absence of caffeine.
The question is he trying to get answered is the reason why AHA said the meat was healthy for the heart.
<h3>American health Association</h3>
The filmmaker was curious as to why the American Heart Association has food procedure on their website which they term as heart healthy.
Despite knowing that beef or red meat can lead to heart disease or heart related disease.
Therefore the question is he trying to get answered is the reason why AHA said the meat was healthy for the heart.
Learn more about American Heart Association here:brainly.com/question/22778897
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Natural Selection, or human adaptations through evolution.
