The graph above shows the consumption of fossil fuels around the world and in the US since 1960. US consumption decreased from 1
970 to 2009, while the world average consumption remained approximately even from 1970 to 2009.
Why did US consumption decrease?
A)
The US population dropped between 1970 and 2009.
B)
The US population became aware of the fossil-fuel dependency and have reduced their consumption.
C)
The US is running out of fossil fuels, and fossil fuels are too expensive to purchase from foreign sources.
D)
none of the above
Why did US consumption decrease?
A)
The US population dropped between 1970 and 2009.
B)
The US population became aware of the fossil-fuel dependency and have reduced their consumption.
C)
The US is running out of fossil fuels, and fossil fuels are too expensive to purchase from foreign sources.
D)
none of the above
1 answer:
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