I believe the answer is:
random sample of the town's population
A mix of participants that reflect your town's makeup
Random sample is needed in order to ensure that the researchers do not obtain only the subjects that is close to them. Mix of participants is needed in order to ensure that the sample population are not taken from group with close similarties in behaviour.
Answer:
Boomerang generation
Leaving and returning is not a Revolving type of existence
Explanation:
This is the term used for the recent young generation that returns home after leaving even after establishing independence household due to effect of financial recession.
Revolving type of existence is not a socioeconomic effect but a mental health syndrome where the patient gets better for a while before returning to it's previous state of mind.
Answer:
D) Organization of Petroleum Exporting Countries
Explanation:
Organization of Petroleum Exporting Countries (OPEC), made up of 15 member countries, regulates the amount and price of crude oil (a world-wide commodity) in circulation.
When there is excess oil in circulation, OPEC reduces production volumes and when oil is scarce, it increases the prices of oil so it can maintain stable production levels.
By doing so, OPEC has been able to successfully determine the amount and prices of oil world-wide.
Answer:
the united states hoped the containment policy would help contain communism in other countries. Such as in the Vietnam war, The Korean War, in China, and in Russia.
Explanation: