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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 QUESTIONSWITH COMPLETE SOLUTIONS!!
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
what countried are part of REDD+ Answer - argentina, kenya, peru, costa rica,
sudan, brazil
what is the people's job in REDD+ Answer - reduce, reuse, recycle, plant trees,
raise awareness of issue
what are the three main things that are being destroyed in the rainforest?
Answer - timber, cocoa, rubber
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