What is the mass number for an oxygen atom with 10 neutrons? 18 What element has 22 neutrons? Argon What has 53 protons and 74 neutrons? The most common, stable form of iodine has an atomic number of 53 (protons) and an atomic weight of 127 (53 protons plus 74 neutrons). Because its nucleus has […]
How did electric lighting majorly change city life?
How did electric lighting majorly change city life? Electricity makes it more possible for cities to become much livelier—people could be out and about in a way that just wasn’t true if you were living in rural America. Cities became much more nocturnal places than the countryside: This entire world of nightlife was possible. The […]
What is the toughest degree to get?
What is the toughest degree to get? Below are the 13 hardest majors based on 2016 NSSE data shared with The Tab. #8: Biochemistry or Biophysics. #7: Astronomy. #6: Physics. #5: Cell and Molecular Biology. #4: Biomedical Engineering. #3: Aero and Astronautical Engineering. #2: Chemical Engineering. #1: Architecture. What is the easiest major? The 14 […]
How does the muscular system work with the digestive system?
How does the muscular system work with the digestive system? The muscular system allows for movement within the body, for example, during digestion or urination. Smooth muscles in the gastrointestinal or GI tract control digestion. The GI tract stretches from the mouth to the anus. Food moves through the digestive system with a wave-like motion […]
Can you have a rainbow at night?
Can you have a rainbow at night? The moon is the key, just as sunlight produces rainbows during the day, moonlight can produce rainbows at night. This is a lunar rainbow or ‘moonbow’. Moonbows are rare because moonlight is not very bright. What happens when you touch a rainbow? A rainbow is light reflecting and […]
How do I find price per unit?
How do I find price per unit? To find price per unit from the income statement, divide sales by the number of units or quantity sold to determine the price per unit. For example, given sales of $500,000 for the year and 40,000 units sold, the price per unit is $12.50 ($500,000 divided by 40,000). […]
What are the methods of measuring temperature?
What are the methods of measuring temperature? 7 Basic Types of Temperature Measuring Sensors Thermocouples. Thermocouples are voltage devices that indicate temperature measurement with a change in voltage. Resistive Temperature Measuring Devices. Resistive temperature measuring devices also are electrical. Infrared Sensors. Bimetallic Devices. Thermometers. Change-of-state Sensors. Silicon Diode. How do you measure heat flow? Heat […]
What are some old weather sayings?
What are some old weather sayings? Weather Sayings and Meanings “Red sky at night, sailors delight. “The higher the clouds, the finer the weather.” “Clear Moon, frost soon.” “When clouds appear like towers, the Earth is refreshed by frequent showers.” “Rainbow in the morning gives you fair warning.” “Ring around the moon? “Rain foretold, long […]
Is cooking a cake a chemical change?
Is cooking a cake a chemical change? As you bake a cake, you are producing an endothermic chemical reaction that changes ooey-gooey batter into a fluffy, delicious treat! Heat helps baking powder produce tiny bubbles of gas, which makes the cake light and fluffy. Heat causes protein from the egg to change and make the […]
How do I check my static system?
How do I check my static system? The pitot-static system of instruments uses the principle of air pressure gradient. It works by measuring pressures or pressure differences and using these values to assess the speed and altitude. These pressures can be measured either from the static port (static pressure) or the pitot tube (pitot pressure). […]