Answer: Light Rays
Explanation: Light rays change direction when they reflect off a surface, move from one transparent medium into another, or travel through a medium whose composition is continuously changing.
Answer: C. Elia, who is using logic instead of guess work
Explanation: just took the test
Answer:
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Answer:
c. Humans are rational and act to maximize self-interest.
Explanation:
Adam Smith was the first liberal theorist and used as a premise of his research to understand the enrichment of nations the fact that every human being is naturally selfish and aims for his own benefit, but that together would be beneficial to the economy. Since then economic theory has developed on the assumption that consumers are rational and maximize their use (their own self-interest). This is described by the modern theory of microeconomics, which evaluates consumer behavior.
