Africa's Environmental Issues Test Questions and Answers
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Africa\'s Environmental Issues
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Africa\'s Environmental Issues
Africa's Environmental Issues Test Questions and Answers
Why is slash and burn agriculture harmful to Africa's soil? - Answer-• It causes deforestation in the rainforest
• People cut down and burn the trees as fertilizer, use up the nutrients of the soil after several years of farming the la...
Africa's Environmental Issues Test
Questions and Answers
Why is slash and burn agriculture harmful to Africa's soil? - Answer-• It causes
deforestation in the rainforest
• People cut down and burn the trees as fertilizer, use up the nutrients of the soil after
several years of farming the land, then move to a new part of the rainforest where they
start the slash and burn cycle all over again
What are 4 causes of desertification in Africa? - Answer-1. Deforestation -cutting down
trees which takes away the plant roots that hold good soil in place, eventually leading to
erosion so bad that no new plants can grow
2. Drought - long periods without rain means that plants cannot grow
3. Overgrazing - animals eat too much vegetation which strips the land of plant roots
that hold good soil in place, eventually leading to erosion so bad that no new plants can
grow
4. Over farming - crops use up so much of the lands nutrients that new plants cannot
grow
What is the MAIN cause of desertification in Africa? - Answer-Deforestation
What are 2 areas in Africa threatened by desertification? - Answer-1. The Sahel
2. The tropical rainforest
What are 3 ways the unequal distribution of water makes life harder for countries
without rivers? - Answer-1. Countries without water don't have transportation routes for
trade
2. Countries without water have less water for irrigation
3. As a result, countries without water are less economically developed
What are 3 causes of water pollution in Africa? - Answer-1. Sewage and garbage due to
poor sanitation and overpopulation
2. Parasites and bacteria
3. Industrial waste from factories
What is the MAIN cause of water pollution in Africa? - Answer-Sewage and garbage
due to poor sanitation and overpopulation
What are 3 effects (results) of water pollution in Africa? - Answer-1. Lower economic
development
2. Increase in waterborne disease (from parasites and bacteria)
3. Lower life expectancy
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