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 […]
Which is the best example of law of conservation of mass?
Which is the best example of law of conservation of mass? The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction. For example, when wood burns, the mass of the soot, ashes, and gases equals the original mass of the charcoal and the oxygen when it first […]
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. […]
Did Spain Help in the American Revolution?
Did Spain Help in the American Revolution? Spain contributed to the American Revolution from the onset by secretly providing money, gunpowder and supplies to the Americans. Clearly Spain, one of the world’s largest colonial powers, had a lot to lose by openly supporting colonial revolution in Britain’s colonies. What does England call the Revolutionary War? […]
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 […]
What did the Earth look like in the Paleozoic Era?
What did the Earth look like in the Paleozoic Era? The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of another. Plants became widespread. And the first vertebrate […]
Why is science and technology important?
Why is science and technology important? Technology, science and knowledge are important in modern contemporary society. Studies of technology and science provides students with insight into how different processes of knowledge are initiated and progressed, and how innovative technological processes are developed, employed and increase in importance. What is the advantages of technology? Advantages of […]
What is a positive terminal and negative terminal?
What is a positive terminal and negative terminal? Electrical polarity is a term used throughout industries and fields that involve electricity. There are two types of poles: positive (+) and negative (−). This represents the electric potential at the ends of a circuit. A battery has a positive terminal (+ pole) and a negative terminal […]