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.
South significance rococo
Social stratification<span> is a society's categorization of people into socioeconomic strata, based upon their occupation and income, wealth and </span>social status, or derived power.
<u>Answer:
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An anemometer will be used to measure the speed of the wind.
<u>Explanation:
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- An anemometer is a simple device used to measure the speed of the wind by most meteorologists. The structure of this device is simple as it has three or sometimes four cups attached using horizontal strips made up of steel to a vertical rod.
- As the wind blows over the cups, the cups are pushed by the wind making them move. Hence, the vertical rod moves as the wind blows. The revolutions of the vertical rod for a specific time are counted and averaged in order to determine the speed of the wind.
