Answer:
well it says if you don't have anyone, you can write about anyone, I suggest thinking of something thats useful in your life and do the inventor or anything in your neighborhood like a hangout spot you like that might be named after someone, or someone you see a lot like a employee at a store
Answer:
The correct answer is A.
Explanation:
Technology increased the demand for oil and gasoline, which the company produced.
Can pimp slap those bad peeps
Answer: They are useful when a researcher is attempting to STUDY PEOPLE OR SITUATIONS THEY MIGHT NOT OTHERWISE HAVE ACCESS TO.
As can be inferred from the definition of Observational study, in which it is a research that the researcher have no control/influence over due to logistical restrictions or ethical reasons. This means that they will be especially useful when the researcher have no access to the participants.