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KAMSC WEBQUEST TEST 146 QUESTIONS WITH COMPLETE SOLUTIONS!!
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KAMSC WEBQUEST TEST 146 QUESTIONS WITH COMPLETE SOLUTIONS!!
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KAMSC WEBQUEST TEST 146 QUESTIONS WITH COMPLETESOLUTIONS!!
define deforestation - (answer)clearing trees and vegetation to use land for non-forest reasons
Ex: farm, ranch, urban development
what are the main causes of deforestation - (answer)catle ranching, small and large scale agriculture,
mining
how much of the amazon has been destroyed over the last 50 years? - (answer)70%!
what is stripmining? - (answer)open pit mining for coal and iron ore that strips the earth and makes
regrowth very hard
what is the temperature range in the amazon? - (answer)24-34C
what is the humidity in the amazon? - (answer)77-88%
what is the range of precipitation in the amazon? - (answer)80-430in/year (depends on what part of the
rainforest you are in)
how is the rainforest the "lungs of the earth"? - (answer)it breathes in co2 and out o2
of all the species in the world, what percent are in the rainforest? - (answer)10%
what are flora and fauna? - (answer)flora=plants and fauna=animals
how many different species of mammals are in the rainforest? - (answer)2,000
how many different plants are in the rainforest? - (answer)80,000
, what is slash and burn - (answer)farmers cut down the trees, burn the land, plant crops for 2-3 years,
move to a new plot and start again abandoning the old plot
how long does it take a slash and burn field to regenerate after the farmer leaves? - (answer)10-20years
what are the cons to slash and burn - (answer)deforestation, contribute to climat chnage, global
warming, smoke leads to health problems, food insecurity
what is the solution to deforestation in the rainforest? - (answer)sustainable agriculture
what is sustainable agriculture according to the usa law - (answer)methods that satisfy human food and
fiber needs, imporve environment quality, based on natural resources, efficiently use non-renewables,
enhance the quality of live for all organisms
what is one main method of sustainable agriculture? - (answer)alley-cropping
describe the process of alley-cropping - (answer)grow ingaedulis trees in rows for 2 years, prune the
trees so they let sun in, leaves=fertilizer, crops go between trees, harvest crops, cut trees back, repeat
what is the limit to alley-cropping? - (answer)it will only work for an extremely long time if the trees are
given a break for one year every 8-10 years
what are the benefits of alley cropping? - (answer)lowers erosion, nutrient rich soil for a long time,
weeding time is lowered, crop production increases
what is brazil's gdp ranked in the world - (answer)8th
what is brazil doing to prevent deforestation? - (answer)they are part of REDD+
what does REDD+ stand for? - (answer)reducing emissions from deforestation and forest degradation
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