User:Yessy180

yessebell velez                                           2-18-09 MS.Quesada                                               Room-232

Global Warming

Global warming is the increase in the average tempurature of the Earths hear surface air and oceans since the mid-twentieth century and its projected continuation.Global surface temperature increased 0.74+0.18c(1.33+0.32F)during the 100 years ending in 2005.The Intergovernmental Panel on climate change conclude that most of the temperature increase sinca the mid-twentieth century is "very likely" due to the increase in anthropogenic greenhouse gas concetretions.

by:Yessebell velez