What causes the Pacific plate to move? The Pacific Plate is being moved north west due to sea floor spreading from the East Pacific Rise (divergent margin) in the Gulf of California. The North American Plate is being pushed west and north west due to sea floor spreading from the Mid Atlantic Ridge (divergent margin). […]

What horizon is topsoil? The A horizon is the top layer of the mineral soil horizons, often referred to as ‘topsoil’. This layer contains dark decomposed organic matter, which is called “humus”. The technical definition of an A horizon may vary between the systems, but it is most commonly described in terms relative to deeper […]

What do the contour lines represent? Contour line, a line on a map representing an imaginary line on the land surface, all points of which are at the same elevation above a datum plane, usually mean sea level. The diagram illustrates how contour lines show relief by joining points of equal elevation. What are lines […]

Which type of rock is formed from a hardened magma? igneous rock What types of igneous rock are formed from acidic magma? The specific rock types included in the acid rocks are the coarse-grained and plutonic granite, adamellite, and granodiorite. Hypabyssal (dyke) types include microgranite, etc., quartz-bearing porphyries, aplite, and pegmatite. The fine-grained, volcanic representatives […]

What is magnetism caused by? Magnetism is the force exerted by magnets when they attract or repel each other. Magnetism is caused by the motion of electric charges. Every substance is made up of tiny units called atoms. Their movement generates an electric current and causes each electron to act like a microscopic magnet. What […]

What is the physical structure of the earth? The structure of the earth is divided into four major components: the crust, the mantle, the outer core, and the inner core. Each layer has a unique chemical composition, physical state, and can impact life on Earth’s surface. What are the physical properties of Earth’s layers? The […]

What is race vs ethnicity example? Commonalities such as racial, national, tribal, religious, linguistic, or cultural origin may be used to describe someone’s ethnicity. While someone may say their race is “Black,” their ethnicity might be Italian, or someone may say their race is “White,” and their ethnicity is Irish. What is ethnicity vs race? […]

Is St Lucia in the northern or southern hemisphere? The 2nd largest Windward islands – Saint Lucia is positioned in the Northern and Western hemispheres of the Earth. Saint Lucia is situated to the northeast of Saint Vincent islands; to the northwest of Barbados and to the south of Martinique. It is surrounded by the […]

Does Latitude go north and south? Lines of latitude (parallels) run east-west around the globe and are used to measure distances NORTH and SOUTH of the equator. Since the equator is 0�, the latitude of the north pole, 1/4 of the way around the globe going in a northerly direction, would be 90�N. Is Latitude […]

What happens if you are closer to the equator? If you live on the equator you will experience the quickest rates of sunrise and sunset in the world, taking a matter of minutes. While tropical areas along the equator can experience wet and dry seasons, other regions may well be wet for much of the […]