Global warming is the increase in the average temperature of the Earth's near-surface air and oceans in recent decades. The important ingredients of the atmosphere is nitrogen 78% (N), oxygen 21% (O), Nobel gases such as helium (H) and neon 0.9% and last one is green house gases they are carbon dioxide (CO2), methane (CH4), ozone, water vapor and hydrogen (H). The green house gases it plays a role in keeping earth temperature in within normal range. Moreover, if the green house increases in concentration this will disturb the main component of gases found in the atmosphere and it also affect the heat balance.
Sunday, April 22, 2007
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