Answer:
Prehistory refers to the period of time before civilization and writing.
Since pre means "before," and history is the record of human events, prehistory refers to the time before human civilization developed and started writing things down.
Explanation:
Answer:
The Mediterranean Sea provides a natural boundary to the North of the country, whilst the Gulf of Suez and the Red Sea form part of Egypt's boundary to the east. The country has six main physical regions: the Nile Valley, the Nile Delta, the Western Desert, the Eastern Desert and the Sinai Peninsula.
Egypt is located in Northern Africa and has coastlines on the Mediterranean Sea, the River Nile, and the Red Sea. Egypt borders Libya to the west, the Gaza Strip to the northeast, Israel to the east and Sudan to the south.
Explanation:
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).
