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Final W - Question 1 3 out of 3 points The earliest models...

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Question 1 3 out of 3 points The earliest models of the solar system employed what Aristotle, and Plato before him, had taught was the perfect form: the circle. The simplest possible arrangement—uniform motion around a circle having Earth as its center— provided a fairly good approximation to the orbits of the Sun and the Moon, but it could not account for the observed variations in planetary brightness or their retrograde motion. Thus, a more complex model was needed to describe the motion of the planets. (Eric Chaison and Steve McMillan, Astronomy Today, 3rd ed.) Selected Answer: A more complex model was needed to describe the motion of the planets. Correct Answer: A more complex model was needed to describe the motion of the planets. Question 2 3 out of 3 points Social psychologists conduct research into areas such as bystander intervention, prejudice, conformity, aggression, and obedience to authority. However, in order to gain insight into such critical issues, researchers must create vivid events that are involving for their participants. Some of these events, by their very nature, are likely to produce a degree of discomfort in the participants, such as witnessing someone having a seizure. Thus, what is required for good science and what is required for ethical science can be contradictory. (Elliot Aronson, et al., Social Psychology) Selected Answer: What is required for good science and what is required for ethical science can be contradictory. Correct Answer: What is required for good science and what is required for ethical science can be contradictory. Question 3 3 out of 3 points Chemical reactions and physical processes on the early Earth created an environment that made life possible. And life, once it began, transformed the planet's chemistry. Biological and geological history are inseparable. (Neil A.
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