Explanation:
He feels that he should have created something important by that moment, and he is worried that his life is passing by without him accomplishing anything.
Answer:
Focus
Explanation:
To specialize in something means to bring the focus of your work and interest in that. <u>The person who is professionally specialized for some field of research is focusing their work, analysis, experiments, and career on one subject, trying to perfect it completely and to find the best possible results of it. </u><u>They are focusing to become the best they can in some skill or field, with the idea that they can become an expert. </u>
For example, someone might be a doctor, but they are specialized in dermatology. That means they have basic medical knowledge and academic background in all medical fields. Yet the focus of their work and what they are really good at are the skin problems and illnesses.
Jonas because he is an essential key
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:
brainly.com/question/11669714
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