C.Friction
This force develops only when two surfaces are in contact
Answer:
he was the first president so he needed to set standards for all other presidents.
Answer:
The correct answer is b) perform one or more experiments.
Explanation:
Economists, like any researcher, use the scientific method, so to test a hypothesis, look at their tests, patterns, and check results.
The economist must analyze their results because each study can have significant consequences, and these studies can make a change in the economy until they can become law.
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