A. A control group is compared with one or more experimental groups.
Answer:
The Broca area
Explanation:
The Broca area is the part of the brain around the inferior frontal gyrus containing the neurons which is used for speech function. This part was named after Pierre Paul Broca who discovered that that part of the brain was connected to human speech function during a study of two patients who had injury in that part of the brain.
Sloth is a consumer,it eat buds,leaves,tender shoot,etc,and insect,etc.
60 million years is the answer.
