What is special about the fall equinox? The autumnal equinox is the moment that the sun crosses the equator from north to south, in September each year. The autumnal equinox marks the beginning of autumn in many places around the world, in the northern hemisphere. In the southern hemisphere this marks the beginning of spring. […]
Why is universal health care bad?
Why is universal health care bad? What Are the Disadvantages of Universal Health Care? A common criticism of universal health care is that the overall quality and variety of care declines. In some countries with universal health care, patients see long wait times or even have to wait months to be seen at all. Universal […]
What happens when an insulator is placed in an electric field?
What happens when an insulator is placed in an electric field? When an insulator, also called the dielectric, is placed in an electric field, it gets polarised. The polarised dielectric reduces the effective electric field. Can an insulator have an electric field? We define a conductor as a material in which charges are free to […]
What is a dense person like?
What is a dense person like? The definition of dense is people or things which are crowded together, something that is difficult to get through or someone who is slow to understand. An example of dense is someone who doesn’t understand what “turn left” means. What do you call a dense person? @Awen_ArBover dense usually […]
How many billion years did it take for humans to appear on Earth?
How many billion years did it take for humans to appear on Earth? Recognizable humans emerged at most 2 million years ago, a vanishingly small period on the geological scale. The earliest undisputed evidence of life on Earth dates at least from 3.5 billion years ago, during the Eoarchean Era, after a geological crust started […]
What is the highest bouncing ball?
What is the highest bouncing ball? Skyball What is the most bouncy thing in the world? The SkyBall is a softball-sized toy that bounces higher than nearly any other ball ever made. Filled with a combination of compressed air and helium, the SkyBall can bounce as high as 75 feet! What is the bounciest trampoline? […]
What is secondary pollutants give examples?
What is secondary pollutants give examples? Examples of a secondary pollutant include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight; NO2, which is formed as NO combines with oxygen in the air; and acid rain, which is formed when sulfur dioxide or nitrogen oxides react with […]
Why is argon the cheapest noble gas?
Which is brighter bulbs in series or parallel?
Which is brighter bulbs in series or parallel? Bulbs in parallel are brighter than bulbs in series. In a parallel circuit the voltage for each bulb is the same as the voltage in the circuit. Unscrewing one bulb has no effect on the other bulb. Which bulb will glow brighter in parallel? Key Points: In […]
Which Cannot be separated physically?
Which Cannot be separated physically? What is a Pure Substance? It is something which cannot be divided into parts by physical means, as it’s all made up of the same thing. Pure substances are either elements or compounds. Elements can NOT be separated into other types of matter (physically or chemically). What are the examples […]