Orville Wright piloted the powered airplane.
<u>Answer:
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Yes, it is true that researchers looking for cause-and-effect relationships will most often use epidemiological studies.
<u>Explanation:
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- The functioning pattern of the epidemiological study characterizes its method and manner of probing and investigating to the depth of the issue in order to find the root cause of the problem that has been encountered.
- Thus, to probe for a cause and effect relationship, an epidemiological study would prove to be highly beneficial as it would put to use the right methods of investigation.
specifically granted to the federal government.
First question: the king or queen sometimes has absolute power: for example, this is the case in Bahrain, but not in Norway, even though both have monarchs.
Second question: it's the federal system: in this system the states have a level of autonomy and can decide on the local issues.
