The correct option is B.
An appositive phrase refers to a noun or a pronoun that identifies or rename another noun or pronoun; it gives more information about that noun or pronoun. An appositive together with its modifier is called an appositive phrase. An appositive phrase is said to be non- essential when it adds information to a sentence whose meaning is already clear. Non-essential appositives are usually set off by a coma.
Answer:
There are many laws that affect economic choices because law, which is an effort to regulate society and human behaviour, is closely related to economics, since economics is about the actions of human in society.
Explanation:
For example, labor laws affect economic choices because they regulate the wage that you may receive, the amount of maximum hours that you may work, and even, the places and the type of jobs that you may take.
Another example is taxes. Taxes are imposed by laws, and they regulate economic activity by taking some of your income, keeping you from doing something else with that income: for example, saving it or investing it.
Answer:
laboratory observation
Explanation:
According to my research on different research methods, I can say that based on the information provided within the question the most appropriate method of study in this situation would be a laboratory observation. This is because this method is the most efficient method, mainly because it would allow for special equipment to measure the physiological changes. Another good method would have been a naturalistic observation, but since the Professor wants to measure psychological changes and not observable changes this will not suffice.
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