Wednesday, October 21, 2009
Application Letter For Budget Analyst
atmospheric composition
The air is composed mostly of nitrogen (78%) and oxygen (21%). The remaining 1% is the most abundant gas argon. Carbon dioxide represents only 0.036%.
But the air is never completely dry and clean. Containing an amount of water vapor and small particles in suspnsión, Call Ringtone aerosols, which may be natural orign such as windblown dust, sea salt l or volcanic emissions, or may be due to human activities, such as soot produced the burning of forests and shrubs.
A natural greenhouse
our planet's temperature would be -18 º C in the absence of atmosphere, as it should it reaches 15 º C. The difference between the two values \u200b\u200bis known as a natural greenhouse effect, a term that refers to the behavior of terrestrial atmospheric acting as a transparent protective cover, reminiscent of the glass of a greenhouse. Solar radiation passes but makes the heat loss, thus increasing the temperature of surrounding air.
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