Dr. X wishes to study how college students interact in the student union. Which research method should he use

naturalistic observation

Explanation:

Naturalistic observation: In psychological research, the term "naturalistic observation" is determined as a specific research method whereby different individuals or participants are being observed or noticed in their "natural setting". Generally, social scientists and psychologists utilize naturalistic observation to study particular cultural & social setting that couldn't be looking into or investigated by other means, like, hospitals, prisons, etc.

In the question above, Dr X should use naturalistic observation.

do you have options to your question?

the answer is "meiosis ii in the mother".

the procedure of meiosis includes two divisions of the hereditary material. the main division is known as the decrease division – or meiosis i – on the grounds that it lessens the quantity of chromosomes from 46 chromosomes or 2n to 23 chromosomes or (n depicts a solitary chromosome set). in people, the decrease division results in two sperm cells each with 23 chromosomes or an egg cell with 23 chromosomes and one disposed of polar body. the second division – or meiosis ii – is called equational division. the two sperm cells split again creating four sperm cells, each with 23 or n chromosomes. in oogenesis, the egg cell and polar body partition to shape the ovum and two extra polar bodies. along these lines, the posterity are guaranteed to get one portion of the chromosomes from the mother and one half from the dad.