Answer:
Questionnaire
Explanation:
A questionnaire is a research tool that is consists of a series of questions and that used for collecting information from the population. It is a kind of written interview conduct by a researcher to the population for gathering information. These are carried out by the researcher's face to face interviews, collection the information through phone or by post. It is a cheap and very quick way to get information. It is not a time-consuming process. Because the researcher need not be there with the participants. There could be a closed question, opened question in the questionnaire.
Answer:
Evolution
Explanation
change in the frequency of alleles within a gene pool from one generation to the next. When changes is noticeable as the production increases, it is called Evolution.
Answer:
Hi, There!
On the Great Seal of the United States is the motto “E Pluribus Unum” which means D.
Out of many, one
Explanation:
Answer:B
Explanation:The cotton gin made it easier to clean cotton so more cotton less value.
Answer:
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Explanation:
