The correct answer for the question that is being presented above is this one: "D) helped communist countries rebuild after World War II." The Marshall Plan was important because it helped communist countries rebuild after World War II.<span>
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Answer:
the classification of continents as well as their origins
Explanation:
the classification of continents as well as their origins
Answer:
In Ivan Pavlov's famous studies, the food was the unconditioned stimulus, and the salivation was the unconditioned response.
Explanation:
Ivan Pavlov (1849-1936) was a Russian physiologist who conducted studies on behavior conditioning with dogs. In his studies, dogs would learn to associate different stimuli and produce certain responses.
A unconditioned stimulus is something that produces a natural, automatic response. That natural response is called unconditioned response. In Pavlov's studies with the dogs, he would show them food, and the dogs would start salivating because of it. That means the unconditioned stimulus was the food, and the unconditional response was the salivation.
Answer:
It's estimated that nearly 90 percent of American pilots trained in a Jenny during WWI. Preliminary flight school included 4-10 hours of dual training (with an instructor), 24 hours solo, and a 16-hour cross-country flight.
Explanation:
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