Is there a finite amount of wealth? There’s a finite amount of wealth. But energy itself is also a form of wealth, and there’s only so much of it in the universe (and, more relevantly, on Earth) and only so much available to be used per unit of time. Are the world’s resources finite or […]
What is the SI unit of mass and weight?
Why was the geocentric model of the solar system accepted by scientists for many years select the two correct answers?
Why was the geocentric model of the solar system accepted by scientists for many years select the two correct answers? Answer: Because of the its assumption of earth being at the centre of the universe and also, its parallax argument. The ancient Greeks claimed that if the Earth is moving around the Sun then the […]
What are the 2 main types of biomes?
What are the 2 main types of biomes? The Earth’s biomes are categorized into two major groups: terrestrial and aquatic. Terrestrial biomes are based on land, while aquatic biomes include both ocean and freshwater biomes. What are the 6 major biomes on earth? The world is split up into several biomes but scientists just can’t […]
How do you calculate actual air flow?
What can meteorites tell us?
What can meteorites tell us? Some meteorites even contain tiny particles that formed around other stars that existed before our Sun. The study of meteorites has helped us understand the beginnings of our solar system, how planets and asteroids formed and how impacts of large meteorites have altered Earth’s history and life on our planet. […]
Why are locusts so dangerous?
Why are locusts so dangerous? The desert locust is potentially the most dangerous of the locust pests because of the ability of swarms to fly rapidly across great distances. The major desert locust upsurge in 2004–05 caused significant crop losses in West Africa and diminished food security in the region. Is 2020 a locust year? […]
What is another name for rainbow?
What is another name for rainbow? In this page you can discover 23 synonyms, antonyms, idiomatic expressions, and related words for rainbow, like: spectrum, arc, iris, illusion, fantasy, dream, band, dragon, prism, unicorn and assortment. What girl name means rainbow? Iris How do you describe a rainbow in one word? Here are some adjectives for […]
Why a cannonball will have a greater velocity from a long barreled cannon than a shorter cannon?
Why a cannonball will have a greater velocity from a long barreled cannon than a shorter cannon? The long cannon will impart a greater impulse because the force acts over a longer time. (A greater impulse produces a greater change in momentum, so a long cannon will impart more speed to a cannonball than a […]
Is SiO2 amorphous?
Is SiO2 amorphous? SiO2 is the chemical compound silicon dioxide. It is formed when silicon is exposed to oxygen. Silica (quartz); “Silica,” or silicon dioxide (SiO2), occurs in either a crystalline or non- crystalline (amorphous) form. Quartz is a colourless, odourless, non-combustible solid and a component of many mineral dusts. Is silica crystalline or amorphous? […]