What did they use for light in 1600s? Medieval lighting came from large central fireplaces, candles, rush lights, flaming torches or lanterns. Candles, which had been around since Roman times, were made from animal fat, or beeswax if you were wealthy. How did people light candle chandeliers? The very wealthy used high grade beeswax candles, […]
What is honesty with example?
What is honesty with example? The definition of honest is someone or something that is truthful, trustworthy or genuine. An example of honest is someone telling their friend that a meal they prepared had too much salt. An example of honest is a student admitting they cheated on a test. Honest weight. What three things […]
Which two scales are used to measure the temperature?
Which two scales are used to measure the temperature? The three most common temperature scales are Fahrenheit, Celsius, and Kelvin. Temperature scales are created by identifying two reproducible temperatures. The freezing and boiling temperatures of water at standard atmospheric pressure are commonly used. What is the formula for finding Celsius? How to Convert Temperatures. First, […]
What is the inverse of tan?
What is the inverse of tan? Inverse tan is the inverse function of the trigonometric function ‘tangent’. It is used to calculate the angle by applying the tangent ratio of the angle, which is the opposite side divided by the adjacent side of the right triangle. Based on this function, the value of tan 1 […]
What is the physical property of filtration?
What is the physical property of filtration? Physical separation methods, such as filtration and distillation, are based on the difference in particle size and on the boiling point of the substances in the mixture, respectively. These are properties that can be observed and measured without changing the material itself. What kind of mixture can be […]
Should you put plastic behind insulation?
Should you put plastic behind insulation? Without a vapor barrier in place, condensation inside the walls could ruin the insulation and promote the growth of harmful mold and bacteria. Plastic, specifically 6-mil polyethylene plastic, is the most commonly used vapor barrier. Should you put plastic over insulation before drywall? Without poly beneath the drywall, water […]
Is the atomic number the number of electrons?
Is the atomic number the number of electrons? The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus. In an uncharged atom, the atomic number is also equal to the number of electrons. The sum of the atomic number Z and the number of neutrons N gives […]
What keeps the sun from exploding?
What keeps the sun from exploding? The inward pressure that keeps a star from exploding is the gravitational attraction of the gas mantle surrounding the core (which is most of the volume of the Sun, and is very hot but does not burn itself). Why does the sun not explode like a hydrogen bomb? The […]
How do we measure light?
What enzymes act inside the small intestine?
What enzymes act inside the small intestine? The enzymes that act inside the small intestine are amylase, protease, and lipase. Amylase acts on starch and breaks it down into small carbohydrate molecules. Protease acts on proteins and breaks them down into amino acids. Lipase breaks down dietary fats into smaller molecules called fatty acids and […]