Answer: The answer is D
D because they had many scarce materials so they had to shift the process to war needs.
In order to study personality development, a researcher studies the same individuals at 7, 14, 21, and 28 years of age. In this case, the researcher is using the <u>longitudinal </u>method.
In a longitudinal study, researchers repeatedly take a look at the identical individuals to come across any changes that would occur over a time frame. Longitudinal research are a form of correlational research in which researchers take a look at and acquire statistics on some of variables with out attempting to persuade those variables.
A longitudinal take a look at, like a cross-sectional one, is observational. So, once again, researchers do no longer interfere with their topics. however, in a longitudinal study, researchers conduct numerous observations of the equal topics over a period of time, on occasion lasting a few years.
The longitudinal procedure is one wherein no unique fashion over time is anticipated; the interest is in assessing how an awful lot responses range through the years for a standard man or woman. Observations range up and down over time for each man or woman and it's far the quantity of fluctuation that is the point of interest of the study.
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A Fertile Crescent, which is a crescent-shaped region that contains very
fertile land around the Tigris and Euphrates Rivers, parts of Asia
Minor, and the Nile River regions.
The answer is True ,is called thermal pollotion
