P.198
1.How does the concentration of energy in a source affect how people can use energy
-Concentration of energy is closely related with concentrations of wastes, so people must be aware of it and careful with use of energy.
2.How do the United States, China, and Kenya compare in total energy consumption? In per capita energy consumption?
-Total world energy consumption=about 520 billion GJ
-US -> 105 billion GJ (22%)
-China -> 90 billion GJ (17%)
-Kenya -> 0.22 billion GJ (0.04%)
US’s per capita energy use is one of the world’s highest.
(6 times of China, 60 times of Kenya)
P.205
1.How can the same energy services be provided with less energy for lighting? For transportation?
-By using LED light bulbs and electric cars.
2.When does the conservation reduce quality of life? Improve quality of life?
-Conservation can reduce and improve the quality of life at the same time. Dam in China prevented flooding along with a major reduction in nuclear energy. However, many citizens were required to relocate, forcing them out of their homes.
