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2. Black Friday food deals: 61 delicious discounts and freebies

   www.aol.com/black-friday-food-deals-61-110000614...

   Momofuku Goods is offering these deals for Black Friday: Umami Essentials: 20% off on Amazon. OG Starter Pack: 20% off on Amazon. Spicy Starter Pack: 20% off on Amazon. Spend $100, save $20 on the ...

3. List of countries by GDP (nominal) - Wikipedia

   en.wikipedia.org/wiki/List_of_countries_by_GDP...

   according to International Monetary Fund estimates [n 1] [1] Countries by nominal GDP in 2019 [n 2] > $20 trillion. $10–20 trillion. $5–10 trillion. $1–5 trillion. $750 billion – $1 trillion. $500–750 billion. $250–500 billion.

4. Sun - Wikipedia

   en.wikipedia.org/wiki/Sun

   Why is the Sun's corona so much hotter than the Sun's surface? (more unsolved problems in astronomy) The temperature of the photosphere is approximately 6,000 K, whereas the temperature of the corona reaches 1,000,000–2,000,000 K. The high temperature of the corona shows that it is heated by something other than direct heat conduction from the photosphere. It is thought that the energy ...

5. Speed of light - Wikipedia

   en.wikipedia.org/wiki/Speed_of_Light

   In 1629, Isaac Beeckman proposed an experiment in which a person observes the flash of a cannon reflecting off a mirror about one mile (1.6 km) away. In 1638, Galileo Galilei proposed an experiment, with an apparent claim to having performed it some years earlier, to measure the speed of light by observing the delay between uncovering a lantern ...

6. Rayon - Wikipedia

   en.wikipedia.org/wiki/Rayon

   Rayon, also called viscose [1] and commercialised in some countries as sabra silk or cactus silk, [2] is a semi-synthetic fiber, [3] made from natural sources of regenerated cellulose, such as wood and related agricultural products. [4] It has the same molecular structure as cellulose.

7. List of countries by population (United Nations) - Wikipedia

   en.wikipedia.org/wiki/List_of_countries_by...

   List of countries by population (United Nations) This is a list of countries and other inhabited territories of the world by total population, based on estimates published by the United Nations in the 2022 revision of World Population Prospects. It presents population estimates from 1950 to the present. [2]