Who can buy liquid nitrogen? Where Can I Buy Liquid Nitrogen for Cooking? Industrial Gas Companies – Praxair and Airgas are the two largest suppliers, so we recommend starting there. Tire Mechanics – Many auto body shops like to use liquid nitrogen instead of air to fill tires. How can I get nitrogen gas at […]
Is carbon dioxide is not an air pollutant?
Is carbon dioxide is not an air pollutant? Summary: Rising carbon dioxide levels from burning fossil fuels have been linked to sea level changes, snowmelt, disease, heat stress, severe weather, and ocean acidification. Yet because it does not affect respiration directly, carbon dioxide is not considered a classic air pollutant. What atmosphere will have the […]
Which of the following is the example of potential energy?
Which of the following is the example of potential energy? Examples of Gravitational Potential Energy. A raised weight. Water that is behind a dam. A car that is parked at the top of a hill. Which of the following is a good example of potential energy? What are some examples of potential energy? A rock […]
Are whales friendly?
Are whales friendly? From a historical perspective, whales do appear to be non-aggressive. Their relatives, the dolphin’s species, tend to be very friendly and curious towards humans, often displaying a desire to greet and meet people. Is it illegal to touch a whale? It is illegal, she said, for a person to come within 300 […]
Is Atropia real?
Is Atropia real? You’ve never heard of Atropia? Well, it’s a fictitious country created by the U.S. Army. Like many real-world combat deployments, soldiers parachute out of the massive C-17 Globemaster into Atropia. What is Pineland? : land naturally dominated by pine forests. What is Atropia based on? The fictitious countries of Donovia and Atropia […]
What is a cycle in a Hertz?
What should you not use a carbon dioxide extinguisher on?
What should you not use a carbon dioxide extinguisher on? Unlike water and foam extinguishers, CO2 fire extinguishers do not work by cooling the fire and so are ineffective on fires involving flammable solids. Instead, CO2 extinguisher work by replacing the oxygen surrounding the flames with carbon dioxide, meaning the fire can no longer burn. […]
What are the two major differences between mitosis and meiosis?
What are the two major differences between mitosis and meiosis? Cells divide and reproduce in two ways, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells. What is the difference between mitosis and asexual reproduction? Mitosis happens only in somatic cells of higher organisms; Asexual reproduction occurs […]
Which two forms of heat transfer work together to heat the water in a plastic bottle that you are holding in your hands?
Which two forms of heat transfer work together to heat the water in a plastic bottle that you are holding in your hands? The primary form of heat transfer taking place within the water bottle will be convection, which is the natural circulation of fluid due to density differences arising from temperature differences. The second […]
What happens if the Earth spins backwards?
What happens if the Earth spins backwards? If Earth stopped rotating, it would be a disaster, but if it were to rotate backwards, it might not be as catastrophic. Trade winds at the equator, which normally blow westward, would reverse — hurricanes would no longer travel from east to west across the Atlantic. How long […]