Answer:
The capacity of a body to do work is called energy .
the various sources of energy are sun, water, air fuel ,etc.
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Answer: "The primary reason the U.S. expanded its influence in foreign countries: Economic reasons – industrialization in the late 1800s increased the need to trade with other countries. Sales of American goods to foreign countries were important to the workers in the U.S."
Explanation: "One of the main reasons was for personal economic gain. Many Americans believed that if they could not succeed where they were, they could always move West and start over. After all, that was how the nation had grown so large. The Panic of 1837 was an incentive for many, but the migration had begun before then."
Answer: fundamental attribution error
Explanation: Fundamental attribution error is the tendency of others to explain another persons behaviour based on personality or disposition and give little or no concern for other external factors such as situation surrounding the persons behaviour at that particular point in time.
According to the question, Dr. Mitchell's behaviour during lectures is far different to her behaviour when she is alone or with others. Due to her behaviour during lectures her students labelled her an extrovert when in actual sense she is an introvert. Her out going behaviour during lectures can be associated with her surrounding which is the lecture room and students while her personality is she like being alone reading.