The EROI for domestically produced oil
A) has been growing since the 1930s.
B) is currently close to that of solar photovoltaics and wind.
C) is much less than for oil sands.
D) makes a good argument for not funding development of renewable energy.
B
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List four ways that scientists have used to estimate historic atmosphere temperature changes
What will be an ideal response?
Which of the following gives the name for a weak trough of low pressure along which hurricanes occasionally form in the tropics?
A. permanent wave B. baroclinic wave C. easterly wave D. open wave
Which of the following is a correct example of global warming creating a negative feedback?
A. Ice has a higher albedo than water so replacing ice with water causes the surface to warm. B. Ice has a lower albedo than water so replacing ice with water causes the surface to warm. C. More water evaporating will create more low level clouds causing the surface to cool. D. Less water evaporating will create more low level clouds causing the surface to warm.
The tropical monsoon climate is different from the tropical rainforest because it has:
a. a short dry season. b. its coolest month averaging above 18?C (64.4?F). c. forest cover as natural vegetation. d. climate regions in Africa, Asia, and South America.