Why is the cutting down of forests for agriculture

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1.Why is the cutting down of forests for agriculture uneconomical? Select the most accuratestatement.A) Clearing land for agricultural use is the most serious cause of deforestation on theAfrican continent.B) Economic pressure on farmers to reduce fallow periods before new crop cycles meansthat lands quickly become unproductive.C) This leads to further forest clearing and soil depletion.D) All of the above.Points Earned:1.0/1.0CorrectAnswer(s):D2.Africa faces the following challenges as a result of climate change. Select the mostaccurate statement.A) DesertificationB) New disease patternsC) Rising sea levelsD) All of the abovePoints Earned:1.0/1.0CorrectAnswer(s):D3.What is the “Assessments of Impacts and Adaptations to Climate Change” (AIACC) andwhat role did Africa play in it? Select the most accurate statement.A) AIACC formed part of the United Nations Framework Convention on Climate Change andinvestigated conditions in Africa, Asia, Latin America and island states of the Caribbean,Indian and Pacific Oceans.B) AIACC investigated adaptation strategies for agriculture, water resources, ecologicalsystems, biodiversity, coastal settlements, food security, livelihoods, and human health.C) African scientists participated in investigations into climate change on the continent,and reports from these investigations will help to create strategies for adaptation.D) All of the above.
Points Earned:1.0/1.0CorrectAnswer(s):D4.Environmental and political factors interact in generating effects in Africa. Chooses themost accurate statement.A) During the colonial era, many Africans were driven from the better agricultural land.B) From the colonial era onward, the less productive lands to which Africans were confinedwere consequently put under severe pressure.C) Colonialism also changed the relation of economic systems to the environment byemphasizing the extraction of raw materials such as copper, gold, rubber and ivory over thewelfare of the people and the environment, a distorted relation whose effects linger today.D) All of the above.Points Earned:1.0/1.0CorrectAnswer(s):D5.Select the African “cash crops” below.A) CoffeeB) CocoaC) TeaD) All of the abovePoints Earned:1.0/1.0CorrectAnswer(s):D6.The UN climate panel, which received the Nobel Prize for Peace in 2007 along with Al Gore,has warned that the following areas are likely to be acutely affected in terms of drought,rising sea levels and new disease patterns. Select the most accurate statement.
A) AfricB) The ArcticC) The deltas of major rivers in AsiaD) Island states in the three major oceansE) All of the abovePoints Earned:1.0/1.0CorrectAnswer(s):E

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