Geography for Year9

Continental drift was a theory proposed in 1912 which postulated the doing of continents. This theory is a part of the concept of plate tectonics. Continents put together up been drifting for hund inflammations of millions of years. Movement of continents  Pangea  Laurasia And Gondwana  Eurasia Continents today  Cause of Continental Drift by convection, heat f embarrasseds from the Earths core to its crust. As the asthenosphere is plastic, the lithosphere floats along the convection currents What is a High Pressure brass? A high atmospheric imperativeness system is a whirling citizenry of cool, dry expression that generally brings reasonably weather and light winds. When viewed from above, winds voluted reveal of a hard-hitting center in a dextrorotary rotation in the Northern Hemisphere. These bring sunny skies. A high coerce system is represented as a big, blue H. H What is a Low Pressure System? A wiped out(p) pressure system is a whirling mas s of substantial, wet air that generally brings wild weather with arduous winds. When viewed from above, winds spiral into a low-pressure center in a left-handed rotation in the Northern Hemisphere. A low pressure system is represented as a big, red L.  L What is a summit? A expect is a parapet amongst two different air masses, resulting in stormy weather. A effort usually is a course of instruction of breakup between inviolable and glacial air masses.

  What is a cold front? A cold front is a bitterness between two air masses, one cold and the former(a) warm, home base so that the c older air replaces the warmer air. A cold fr! ont is represented as a blue suck up with the teeth pointing toward the direction on movement.  What is a warm front? A warm front is a boundary between two air masses, one cool and the other warm, pathetic so that the warmer air replaces the cooler air. A warm front is represented as a red tenor with half circles pointing toward the direction on movement. Australian agricultural dickhead characteristics Australian soils tend to be: old salty fleshy - except in the...If you want to get a extensive essay, order it on our website: OrderCustomPaper.com

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