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…ice age, 18,000 years ago, the temperature was only about nine degrees Fahrenheit colder then today. So a change of a few degrees can have a dramatic effects. Todays most sophisticated climatic models…

…perfect conditions for life also help contribute to the great number of species. With temperatures constant at about 75-80 degrees Fahrenheit the whole year, the animals don’t have to worry about freezing during the cold winters or finding hot shade…

…also help contribute to the great number of species. With temperatures constant at about 75-80 degrees Fahrenheit the whole year, the animals don’t have to worry about freezing during the cold winters or finding hot shade in the summers. They rarely…

…conditions for life also help contribute to the great number of species. With temperatures constant at about 75-80 degrees Fahrenheit the whole year, the animals don’t have to worry about freezing during the cold winters or finding hot shade in the summers…

…constant at about 75-80 degrees Fahrenheit the whole year, the animals don’t have to worry about freezing duringthe cold winters or finding hot shade in the summers. They rarely have to search for water, as rain falls almost every day in tropical rainforests…

…that for a given temperature, water has a far greater cooling effect. Even water that is eighty-six degrees Fahrenheit can become chilly after a while. As the diver emerges into the water he first feels a chill. The blood vessels closest to the divers skin…

…, 18,000 years ago, the temperature was only about nine degrees Fahrenheit colder then today. So a change of a few degrees can have a dramatic effects. Todays most sophisticated climatic models estimate the global temperature will rise between 3 and 9 degrees…

…. With temperatures constant at about 75-80 degrees Fahrenheit the whole year, the animals don’t have to worry about freezing during the cold winters or finding hot shade in the summers. They rarely have to search for water, as rain falls almost every day in tropical…

…and made emissions testing to occur at both 75 degrees Fahrenheit and 20 degrees Fahrenheit. Pollutant emissions largely result from incomplete fuel burning. By adding oxygen to gas, more complete fuel combustion can occur, thus lowering emissions. This method…

…for as many as 120 days a year." Winter temperatures average from 29 to 33 degrees Fahrenheit, but summer temperatures average from 65 to 70 degrees Fahrenheit. In the central plateau of the country 40 to 45 inches of precipitation falls each year, but up…