The northeastern coast of the US is the largest area in Canada and the United States that is densely populated with over 250 people per square mile. Boston, New York, Philadelphia and Washington are located in this area.
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Answer:
to "take care that the laws be faithfully executed" enforce laws
Explanation:
There were actually two main rivers during the Mesopotamian Time, that is: Tigers, Euphrates <span />
The threat to validity that is likely to occur in the scenario above is Selection Bias.
<h3>What is Selection Bias?</h3>
This occurs when a researcher has control and intentionally chooses those who are going to be researched, observed, or studied. To eliminate this bias, the scientist must ensure that the sample population is selected very randomly.
Other threats to validity are:
- History
- Maturation
- Attrition
- Social Interaction
- Instrumentation
- Testing
- Regression to the mean, etc.
Please see the link below for more about Threat to Validity:
brainly.com/question/4168290
