D. Scientists were willing to do anything to further their pursuit of knowledge.
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Its A, for example when the author mentions a phenix in the book Fahrenheit 451, it is a symbol of the rebirth of ideas that will soon come, not a literal phoenix.
The statement about melatonin as the chemical that regulates the sleep and wake cycle is the supporting detail. Thus, option D supports the main idea of the passage.
<h3>What is a supporting detail?</h3>
Supporting detail is a statement that includes the data that are well researched and have examples and detailed descriptions that support the central idea that serves the purpose of the essay.
The main idea is the central thought that the passage wants to deliver to its reader and is supported by the details that clarify the idea about the topic.
Here the main idea is about the sleep cycle that is regulated by the hormone melatonin released by the brain. It balances the sleep and the wake cycle of the person and varies with the age. Its release controls the sleep pattern and regulates the best function of the body.
Therefore, the release of melatonin best supports the idea of the passage.
Learn more about supporting details here:
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Answer: The spread of the internet has had a world changing affect, not least on the world education. The use of the internet in academic contexts is on rise, and its role in learning is hotly debated. For many teachers that did not grow up with this technology, its effects seem alarming and potentially harmful. This concern, while understandable, is misguided. The internet has had a major impact on the world of education, occasionally pitfalls aside, its value is evident in numerous applications. The future of teaching lies in the possibilities the internet opens up for communication, research, and interactivity.
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