Category: /Science & Technology
(about 5800 sq mi) a year in the Amazon Basin area alone. This tropical deforestation could result in the extinction of as many as 750,000 species, which would mean the loss of a multiplicity of products: food, fibers, medical drugs, dyes, gums, and resins
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Category: /Science & Technology
common to all green plants, called photosynthesis. In the process, trees release oxygen into the atmosphere. A single acre of temperate forest is an incredible oxygen factory, giving off more than 6 tons of oxygen every year.
Deforestation, together
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Category: /Science & Technology
the spread of forest fire has been airliners. These airliners are filled with gallons and galloons of water. With limited capacity, these airliners fly above the flame and deposit galloons of water.
For the purpose of this paper, deforestation simply means
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Category: /Science & Technology
environmental disaster is growing. Statistical and historical evidence suggests there is a direct link between the actions of humans and environmental destruction. Although conclusive proof can easily be found for acid rain and deforestation as well as loss
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Category: /History
about November to February. The remainder of the year is hot and humid.
Laos has extensive forest resources, and although there has been a considerable deforestation in recent years, about half of the country is still covered with forests. There exists
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Category: /Science & Technology
to deforestation there has been a noticeable misbalance in the carbon cycle. Since there are fewer plants to take in carbon dioxide and there is an increase in human population which releases carbon dioxide during respiration, there is an increase in the amount
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Category: /History/War & Conflicts
their environment, resulting in the extinction of animal species and the destruction of ecosystems. An illustration of this is that about 20% of bird species have become extinct in the past 200 years, almost all of them because of human activity.
Deforestation
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Category: /Science & Technology/Biology
is not, however only caused by water management. Salinity is also caused by the deforestation of trees to grow crops. When deep-rooted trees are cut down and relaced by shallow rooted crops unused water leaks down to the water table. This causes the water table to rise
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Category: /Social Sciences
, it is the plant that provided much of our paper and clothing for hundreds of years and produces four times more fiber per acre than trees. To the environmentalist, it is the plant that could greatly slow deforestation, restore robbed nutrients by other crops, and help
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Category: /Science & Technology
semiconductors and the silicon
chip. In the early 1900's before integrated circuits and silicon chips
were invented, computers and radios were made with vacuum tubes. The
vacuum tube was invented in 1906 by Dr.Lee DeForest. Throughout the first
half of the 20th
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