The correct answer would be - from the third-person point of view.
Explanation:
The author did not include his own assumptions and views in this article and stated research is explained about teens and changes in their brain and behavior.
The author is presenting the article in the third person point of view and exhibits the representation of the reserch points related to the how with time of teen years affect the brain of teen and evolve and mature.
The article “The Teen Brain: Still Under Construction” is written from the third-person point of view. The writer doesn’t use the pronoun I or express any personal opinions in the article. Here are some sentences from the article that show the third-person point of view is used.
The research has turned up some surprises, among them the discovery of striking changes taking place during the teen years.
The fact that so much change is taking place beneath the surface may be something for parents to keep in mind during the ups and downs of adolescence.
Scientists believe that the loss of synapses as a child matures is part of the process by which the brain becomes more efficient.
The second option which says "Dr. Lee is using an electron microscope; Dr. Murphy is using a light microscope" is the correct option. This is because unlike electron microscopy that show cell organelles in details, <span>most organelles are not clearly visible by </span><span>light microscopy.</span>