The Great Plains of the United States have a steppe and grassland climate.
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Answer:
a) The yearly energy consumption for a US population of 300 million is
b) The energy that would be released if a 60 kg person were converted entirely into energy is Joules.
c) 180 years would this amount of energy support a population of 300 million.
Explanation:
a) Average energy consumed by single person of US = 100,000,000 J/year
Then 300 million US citizen will consume:
300 million = 300 × 1,000,000 =
The yearly energy consumption for a US population :
The yearly energy consumption for a US population of 300 million is
b)
E = Energy from converted mass of m
c = speed of light
Given mass of person = m = 60 kg
c) Energy calculated in part (b) =
The yearly energy consumption for a US population of 300 million in an year =
Let the that would be supported by Joules of energy be x.
180 years would this amount of energy support a population of 300 million.