D.- Food production grew much more quickly than Malthus predicted
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.
Answer:
The directional terms for anatomy is anterior or ventral, posterior or dorsal, and medial.
Explanation:
Anterior or ventral means the front, for an example, the kneecap is in the front of the leg.
Posterior or dorsal means the back, for an example, the cranial cavity is in the back of the head.
Medial means the middle, for an example, the middle toe is located at the medial of the foot.
I think the answer is B im sure correct me if im wrong.
