Olivia has an ongoing disagreement with her husband about their 7-week-old infant. olivia is certain that the baby can experience a wide variety of emotions. her husband says young infants do not have that ability. olivia is right, because according to carroll izard, people experience basic emotions, most of which are present at infancy.

the answer is 10.

Explanation:

According to Carrol Lizard people of all age groups experience 10 basic emotion;

joy, anticipation, surprise, fear, sadness, anger, disgust, contempt, shame, and guilt.

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail