Answer:
Selenium atoms have 34 electrons and the shell structure is 2.8. 18.6. The ground state electron configuration of ground state gaseous neutral selenium is [Ar].
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Answer: Input. Basic. variables
Explanation: there is no explanation
For a monopolist, if price is above average total cost, the monopolist is:
- Earning positive or economic profit
<h3>What is positive profit?</h3>
A positive profit is earned when the revenue being made surpasses what is normal on the competitive scale. The cost of production is covered and surpassed in this case.
So when the monopolist fixes his price above the total cost, he will earn a positive profit.
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The technique to improve internal validity is D) Addition of a control group.
<h3>What is
internal validity?</h3>
Internal validity serves as the study which bring about the establishment of a trustworthy cause-and-effect relationship that can be found in treatment and an outcome.
it should be noted that Internal validity also helps to eliminate alternative explanations , hence, The technique to improve internal validity is D) Addition of a control group.
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COMPLETE QUESTOIN:
Which of the following is a technique to improve internal validity ____________?
A) Experimenter expectancy
B) Participant bias
C) Use of a confederate
D) Addition of a control group
<span>The data collected in any poll could be tallied inaccurately to lead others to believe incorrect conclusions. The best ways to ensure accuracy are to revisit the study questions and recount the inquiries that were provided. Other studies may have concluded prematurely and without an adequate amount of questions about the product at hand.</span>