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Category: Users’ questions

Why do elements change color in flame?

Posted on September 9, 2022 by Author

Why do elements change color in flame? When you heat an atom, some of its electrons are “excited* to higher energy levels. When an electron drops from one level to a lower energy level, it emits a quantum of energy. The different mix of energy differences for each atom produces different colours. Each metal gives…

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Can pressure be lower than vacuum?

Posted on September 9, 2022 by Author

Can pressure be lower than vacuum? Hence, if the pressure of an enclosure is less that of atmospheric pressure then, pressure will be below atmospheric pressure(1 atm) and if vacuum is applied in that enclosure then it can be negative as well. Is pressure constant in a vacuum? vacuum, space in which there is no…

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Is Uttara Phalguni Nakshatra good or bad?

Posted on September 9, 2022 by Author

Is Uttara Phalguni Nakshatra good or bad? The male native of the Uttara Phalguni Nakshatra leads a life full of happiness and joy. He is not only lucky but also hard-working and sincere in his profession. He maintains a strict discipline, including cleanliness and neatness. You will never find clutter on his table. Which nakshatra…

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How big is the Webcam market?

Posted on September 9, 2022 by Author

How big is the Webcam market? The global webcam market size was estimated at USD 6.85 billion in 2020 and is expected to reach USD 7.72 billion in 2021. What Webcams are in stock? Where to buy webcams Raleno 1080p Webcam: $19 @ Amazon. Logitech C920x Pro HD Webcam: for $69 @ Amazon. Logitech C270:…

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How the pharmaceutical industry influences health care?

Posted on September 9, 2022 by Author

How the pharmaceutical industry influences health care? Pharmaceutical companies play a vital role in healthcare. They invest tremendous amounts of money in research, development and marketing. It is through marketing, that healthcare providers and patients can be influenced into prescribing or wanting these medications. How big is the pharmaceutical industry in Germany? Germany constitutes the…

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Is it possible for a mother with O type blood and a father with AB blood to have a child that has O type blood?

Posted on September 9, 2022 by Author

Is it possible for a mother with O type blood and a father with AB blood to have a child that has O type blood? In most cases, an O parent and an AB parent will have only A or B kids. It is only very rarely that they might have an AB or an…

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How can you get secondhand smoke?

Posted on September 9, 2022 by Author

How can you get secondhand smoke? Exposure to secondhand smoke comes from side stream or mainstream smoke. Burning tobacco products, such as cigarettes, cigars or pipes, releases side stream smoke. A person actively smoking nearby exhales mainstream smoke. Both sources release harmful chemicals into the air that affect nonsmokers. What is sidestream smoke? Smoke that…

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How long does Coupang take to deliver?

Posted on September 9, 2022 by Author

How long does Coupang take to deliver? Coupang Eats, a food delivery service provider, started a quick commerce service that aims to deliver products within 15 minutes of the order being made. Quick commerce services usually deliver groceries and household goods to customers within an hour. What is rocket delivery in Coupang? This means if…

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What is the result when two numbers are divided?

Posted on September 9, 2022 by Author

What is the result when two numbers are divided? When you divide two numbers the answer is called the quotient. The quotient of six divided by two is three. How do you divide two numbers without using an operator? int divide(int x, int y) { if (y == 0) { exit(-1); } // store sign…

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When was the last total solar eclipse in the United States?

Posted on September 9, 2022 by Author

When was the last total solar eclipse in the United States? August 21, 2017 The last solar eclipse visible from the continental United States was the coast-to-coast total eclipse of August 21, 2017. How often do solar eclipses occur? once every one to two years “Total solar eclipses occur once every one to two years…

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