Answer:
The correct answer is D.
Explanation:
A confounding variable is a variable that you didn’t account for. It is when an experimenter cannot tell the difference between the effects of different factors on a variable. This method is used to influence the outcome of experimental design.
Waning cresent and waxing cresent
Answer:
dont know spanish srry hablo espenoal
Explanation:
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Among the choices provided above the one that is not a public relations tool is <span>trade show.
</span>A trade<span> fair (</span>trade show<span>, </span>trade<span> exhibition, or expo) is an exhibition organized so that companies in a specific industry can showcase and demonstrate their latest products and services, meet with industry partners and customers, study activities of rivals, and examine recent market trends and opportunities.</span>
O' Sullivan believed that the United States had a mission to expand, spreading its form of democracy and freedom