Posted: March 28th, 2023
Vocabulary for Africa Geography Unit
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Causes of desertification
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Over-grazing, over farming, cutting down scattered trees, drought, climate change
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Causes of deforestation
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Cutting down forests for living space, farmland, and timber products
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Extremely dry area that covers most of Northern Africa
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Sahara Desert
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Wet area in the desert fed by underground springs
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Oasis
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Transition zone between the Sahara and the Savannah in Africa
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Sahel (steppe region)
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Large grasslands with scattered trees in Africa
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Savannah
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Thick forests with 70 foot high trees in humid tropical areas of Africa
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Tropical Rainforest
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Farming just enough to feed you and your family
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Subsistence farming
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Most common economic activities in the Sahara
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Nomadic herding. Farming is possible in areas that can be irrigated like the Nile River valley.
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Most common economic activities in the Sahel
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Nomadic herding and subsistence farming
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Most common economic activities in the Tropical rainforest
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Subsistence farming, timber, eco-tourism
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Most common economic activities in the Savannah
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Subsistence farming, commercial farming, eco-tourism, herding
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Most common economic activities in Nigeria
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Oil, subsistence farming, nomadic herding
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How does poor soil contribute to deforestation?
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People have to keep cutting down more forest for farmland because they poor soil only supports farms for a few years before it loses its fertility. Soil washing away also contributes to low fertility.
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How does desertification impact Africa?
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People have to move when the soil can't support life anymore. This causes more desertification when they repeat their activities and overcrowding in cities. Famines can also occur.
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Widespread shortages of food
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Famine
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Long period of abnormally low rainfall
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Drought
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Fancy Social Studies Word for Warm
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Tropical
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Fancy Social Studies Word for Wet (High Precipitation)
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Humid
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Fancy Social Studies Word for Dry
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Arid
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Fancy Social Studies Word for sort of dry
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Semi-Arid
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Continually moving to allow your animals to have enough to eat in arid and semi-arid regions of the world
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Nomadic Herding
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Dirt that is good for growing crops
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Fertile Soil
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Fertilizer that gets washed off of fields and ends up in water sources
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Agricultural Runoff
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Chemicals and other pollutants that leak out of industrial equipment and factories
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Industrial Waste
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Cutting down trees and setting them on fire to clear that land and add fertility to the soil
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Slash and Burn Agriculture
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Allowing herd animals to eat too much of the plant life in an area. It leaves the soil exposed and causes erosion.
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Overgrazing
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Soil being transported away by wind or water
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Erosion
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Fighting over scare water sources
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Water Wars
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When water is not present or not much is present in an area
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Physical Water Scarcity
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When water is present, but it is polluted and a society does not have the money to clean it and make it safe to drink
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Economic Water Scarcity
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