Answer: the answer is sudan
Explanation:
A-B-A-B design could provide the most valid non intervention measure with demonstration of experimental control.
In statistics, the experimental design, also known as the design of experiment (DOE), is described as the layout of an information-gathering experiment in which a variation may or may not be present. Typically, controlled experiments use this phrase. In order to make the results more reliable, these tests minimize the impacts of the variable. In this design, a group of people, plants, animals, etc. may participate in an experimental unit's procedure.
Pre-experimental research designs are the most straightforward kind of experimental research designs in statistics. Following the identification of some factors as causes and effects, a group or groups are kept under observation in this method. Typically, this approach is used to determine whether the targeted group need additional research. This is the reason why this procedure is regarded as being economical.
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Answer:
B
Explanation:
This is B because coal, oil, and gas produces energy that fuels cars, trains, etc. You also can't forget about taxes.
Answer:
Los sentimientos normales de ira, miedo, dolor y frustración suelen estar presentes en los conflictos entre individuos o grupos. Estos sentimientos, y las circunstancias de la amenaza que presenta el conflicto, hacen que nuestros cuerpos reaccionen en la respuesta de estrés de "lucha o huida".
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Explanation:
With respect to trade, caravan routes were linked to overseas trading networks, forming a great web for the transportation of good that knit together the "world economy" of the Islamic Empire.