Which is older intrusion or extrusion? Lava that hardens on the surface is called an extrusion. The rock layers below an extrusion are always older than the extrusion. There, the magma cools and hardens into a mass of igneous rock called an intrusion. An intrusion is always younger than the rock layers around and beneath […]
Why is graphite dangerous?
Why is graphite dangerous? Graphite is a form of pure carbon. It is not edible, but not chemically dangerous. Graphite can be made to be more dangerous than Pb depending on ingenuity. For instance if you powder graphite and force a person to breath the powder until they choke, it is more dangerous that a […]
Is normal force a centripetal force?
Is normal force a centripetal force? The normal force and a component of the weight point toward the center of the loop (the component perpendicular to the loop), so they get to be the centripetal force. How is centripetal force calculated? Centripetal force is measured in Newtons and is calculated as the mass (in kg), […]
How does a surface wave form quizlet?
How does a surface wave form quizlet? Surface Waves: Forms when P and S waves reach the surface, move more slowly than P waves and S waves, they can produce severe ground movements, some make the ground roll like ocean waves, other surface waves shake buildings from side to side. P Waves-The crust vibrates forward […]
Who has most natural gas?
Who has most natural gas? Russia How many years of natural gas are left? 52 years How long will our natural gas supply last? about 84 years Which country has most gas? Who buys Russian gas? The largest importers of Russian gas in the European Union are Germany and Italy, accounting together for almost half […]
What is the most common compound?
What is the most common compound? Glossary Compound Formula Abundance percent by weight Silicon dioxide SiO2 42.86% Magnesium oxide MgO 35.07% Ferrous oxide FeO 8.97% Aluminum oxide Al2O3 6.99% How do you know the difference between a compound and mixture? Compound:a substance that is made up of more than one type of atom bonded together. […]
What are 3 benefits of being multicellular?
What are 3 benefits of being multicellular? List of Pros of Multicellular Organisms. Intelligence and Evolution. Bigger Is Better. Less Stress Equals A Longer Lifespan. Cells Can Take Care Of Each Other. More Energy Is Needed For Normal Functioning. Infection Becomes A Possibility When Multicellular. Takes Longer To Reach Maturity And To Breed. How is […]
Is the Moon dependent on the sun?
Is the Moon dependent on the sun? Moon depends upon the sun because it does not posess its own light. Seasons are created by the revolutionary period of the Earth. Moon revolves around the earth. Due to this, earth pulls the moon by its gravitational force. When the sun Earth and moon are positioned to […]
Is Type 1 or 2 error worse?
Is Type 1 or 2 error worse? Of course you wouldn’t want to let a guilty person off the hook, but most people would say that sentencing an innocent person to such punishment is a worse consequence. Hence, many textbooks and instructors will say that the Type 1 (false positive) is worse than a Type […]
Which type of orbital is not allowed?
Which type of orbital is not allowed? The answer is d) 2d. Without going into too much detail, the 2d orbitals cannot exist because they are not allowed solutions to the Schrodinger equation. Simply put, the second energy shell, designated by a principal quantum number equal to 2, or n=2 , can only hold s […]