Answer:
Pilot Survey
Explanation:
Pilot survey: The term pilot survey is defined as the phenomenon that involves testing a particular questionnaire by using a small sample as compared to the already planned or organized sample size. While conducting a pilot survey, the questionnaire is being administered to a particular total percentage of a given sample population.
Advantage: A pilot survey provides important or valuable feedback to the experimenter or the researcher so that he or she can improvise the papers before getting it published.
In the question above, the given statement represents a pilot survey.
Answer:
He established a naval observatory for the teaching of navigation, astronomy, and cartography around 1450. From 1419 to his death, Prince Henry made many expeditions south along the west coast of Africa to secure trade routes and establish colonies.
Explanation:
Keeping in mind that the Triple Entente was formed between France, Russia, and Britain in 1907 (all of them considered as powerful European countries); from Germany's perspective, this alliance represented a real threat to their existence and power in the region. And that's why Germany felt in danger and was so worried by the fact that this powerful alliance surrounding them could attack and cause them huge damage.
Answer: C
Explanation: At that point, everyone was scared that it could happen again and they wanted to move to a safe area where they wouldn't be prosecuted again
