What percentage of the energy used by the industrial sector is from petroleum?
A) 71 percent
B) 23 percent
C) 40 percent
D) 20 percent
Answer: C
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Which process of a scientifically enlightened citizen deals with being aware that others' actions on Earth affect us and we affect others?
A. know B. act C. care
Two useful indicators of overall health in a country or region are ____.
A. birth rate and death rate B. replacement-level fertility rate and total fertility rate C. life expectancy and death rate D. life expectancy and infant mortality rate E. population growth rate and death rate
Addition of water to soil on slopes may
A. destabilize the slope by reducing frictional resistance to sliding. B. stabilize the soil by increasing pore pressure. C. stabilize the soil by freezing and thawing. D. destabilize the slope by decreasing the slope angle.
What is GPS and what does it do?
What will be an ideal response?