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By the early twentieth century, carbon emissions from fossil-fuel burning reached 1 billion tons a year. automobiles, airplanes, and domestic and agricultural energy demands all contributed to the rising trend. in the 1950s, scientists used a new generation of equipment to confirm that carbon-dioxide concentrations were doubling and that this would have the effect of increased temperatures.
this excerpt primarily describes the
long-term effect of increasing carbon emissions.
long-term effect of decreasing temperatures.
short-term effect of decreasing the use of new technology.
short-term effect of increasing energy demands.
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By the early twentieth century, carbon emissions from fossil-fuel burning reached 1 billion tons a y...
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