The answer is D. middle of adulthood
Answer:
Quantitative
Explanation:
In research, the term quantitative research refers to the type of research that involves gathering data that is quantifiable, in other words, that it can be measured in an objective way and expressed in numbers.
In this example, researchers measure children's IQ by using IQ tests, therefore, they are gathering data that can be measure and expressed in numbers <u>(IQ is a number).</u> Therefore, they are using quantitative research.
Answer:
B
Explanation:
Monopoly operates in instances where a firm produces products that do not have close substitutes. Therefore, the firm can control the price, supply and market penetration.