Answer:
His research method is naturalistic observation.
Explanation:
Naturalistic observation refers to <em>observing the subject in its natural context. </em>This type of research method is generally used to get a genuine idea of the subject's life.
In this case, Jack is using this type of research method because he is observing the subjects in their natural context, not in a lab, for example. He is simply observing their reactions to his friend in the elevator without intervening.
South Africa engulf the country of Lesotho
Answer: simple sugars that the plant uses as fuel
Explanation:
