Explain the hypothesis of continental drift
Explain why tectonic activities (earthquakes and volcanic eruptions) are concentrated along plate boundaries? Plate boundaries form the areas of great tectonic activities due to the movements taking place where the plates meets where they rub against each other or in direct position forcing the plates to drive down under the other. The movements generates tremendous energy and friction creating an area of high tectonic activities. Explain the difference between tectonic forces and gradational forces and give at least two examples of each. Tectonic forces involves pushing of the crystal part of the earth either toward or against each other thus forming the crustal plates. On the other hand, gradational forces involves forces that scour, wash, and wear down the earth’s surface involving activities such as weathering, gravity transfer erosion, and deposition of earth surface materials.
Warm air holds a lot of humidity thus increasing the amount of rain in the region and therefore the region remaining wet. Using your knowledge of global atmospheric circulation, explain why most of the arid and semi-arid environments of the world are found between 200N and 400N latitudes and 200S and 400S latitudes. the Coriolis effect is the reason why most of the arid and semi-arid areas are found in the northern and southern hemisphere of the earth. The flow of the wind appears to deflect to the right in the N. Hemisphere and to the left in the S, Hemisphere producing a spiral movement of wind called cyclones thus producing a dry effect. (a) Explain temperature inversion? (b) Explain the effects of temperature inversion in an area? Temperature inversion is a condition in which air at lower attitude is cooler than the air aloft.
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