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 […]
What is the fastest walking speed?
What is the fastest walking speed? In 2017, British Olympian Tom Bosworth broke a world record when he race-walked 1 mile in a speedy 5 minutes and 31 seconds. Amazing, right? But as you might imagine, Olympic race-walkers move much faster than most people. What pace is 3 mph? Popular Road Race Distances mph 1km […]
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 […]
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 […]
How much does a tank of oxygen cost?
What are the 3 main types of potential energy?
What are the 3 main types of potential energy? Types of potential energy include: Gravitational potential energy. Chemical energy. Nuclear energy. Elastic potential energy, also called spring energy. Electrical potential energy especially in a capacitor. What do you understand by potential energy explain with two examples? An object can store energy as the result of […]
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 […]
How do we classify psychological disorders?
How do we classify psychological disorders? The DSM-IV uses a multi-axial system of classification, which means that diagnoses are made on several different axes or dimensions. The DSM has five axes: Axis I records the patient’s primary diagnosis. Axis II records long-standing personality problems or mental retardation. What is categorized anxiety? Anxiety is a normal […]