Answer:
Correct answer is a: Europeans arrived in the America
.
Explanation:
A is the correct answer as in 1492 Christopher Columbo with his three ships arrived in the New World. From that period on Europeans started colonizing this area, which forever changed the history of this area. Some Native tribes even disappeared due to this fact.
All other answers are false, as they are not based on historical facts.
B because mountains are north for sure
Ocean currents generally flow clockwise in the Northern Hemisphere.
Answer:
c. voluntary participation
Explanation:
In the context, Professor Smith conducts a research in the dating behaviors of her college students. She wishes to track the students dating behavior through their entire college careers. So on her first class she explains her research work to the students and does the survey during the class.
Thus in this case, the research has an effect on the voluntary participation of the college students as all the students present in her class was given the survey to complete and they were not asked for their voluntary participation in he survey.
Hence the correct option is (c).
The correct answer is Thorndike, Skinner and Bandura.
