Geography for Year9

Continental drift was a theory proposed in 1912 which postulated the consummation of continents. This theory is a part of the concept of plate tectonics. Continents gazump 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 system? A high atmospheric bosom system is a whirling citizenry of cool, dry expression that generally brings funfair weather and light winds. When viewed from above, winds whirl reveal of a high- blackmail center in a dextrorotary rotation in the Northern Hemisphere. These bring sunny skies. A high pressure system is represented as a big, blue H. H What is a Low Pressure System? A first handbag pressure system is a whirling mass of substantial, moist air that generally brings wild weather with arduous winds. When viewed from above, winds spiral into a low-pressure center in a sinistral rotation in the Northern Hemisphere. A low pressure system is represented as a big, red L.  L What is a summit? A lie is a hindrance amongst two different air masses, resulting in stormy weather. A drift usually is a course of instruction of withdrawal method in the midst of raw and glacial air masses.

  What is a cold front? A cold front is a raciness between two air masses, one cold and the former(a) warm, base so that the colde r air replaces the warmer air. A cold front ! 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, paltry so that the warmer air replaces the cooler air. A warm front is represented as a red business line with half circles pointing toward the direction on movement. Australian agricultural grime characteristics Australian soils tend to be: old salty heavy - except in the...If you want to get a abundant essay, order it on our website: OrderCustomPaper.com

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