The most sustainable way to drive a car would be to use
A) an all-electric car using electricity from a windmill or solar photocells.
B) an all-electric car using electricity from any power supply.
C) a hydrogen fuel cell using hydrogen produced by a nuclear power plant.
D) a hybrid electric car that generates electricity when slowing down.
A
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Lead and nitrogen compounds are believed to contribute to the destruction of ozone in the upper atmosphere.
Answer the following statement true (T) or false (F)
Soil material is actually small bits of rocks and composed of ________
A) humus B) loam C) silica D) hydrogen E) air
What is the average density of continental crust?
A) 2.7 g/cm3 B) 3.0 g/cm3 C) 3.3 g/cm3 D) 5.6 g/cm3
The only interruption to the distribution of tropical forest climates across equatorial regions are
A) the five distinct mediterranean climates. B) several equatorial deserts caused by rain shadows. C) in areas influenced by the ITCZ. D) the tropical savannas of Africa and South America. E) in highland areas, such as the Andes and Mt. Kilimanjaro.