Judge the following sentence according to the criteria given below: Ocean currents have the potential to generate more power than wind farms BECAUSE ocean currents move much faster than the wind
A) The assertion and the reason are both correct, and the reason is valid.
B) The assertion and the reason are both correct, but the reason is invalid.
C) The assertion is correct, but the reason is incorrect.
D) The assertion is incorrect, but the reason is correct.
E) Both the assertion and the reason are incorrect.
C
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Which of the following conditions refers to a maritime polar air mass that reaches the Pacific Coast?
A. warm air B. absolutely unstable air C. moist air D. absolutely stable air
To prevent the tipping point after which catastrophic environmental change will happen, what needs to be done?
A) Carbon dioxide emissions must be eliminated in the next two years. B) Global greenhouse gas levels must peak no higher than 450 ppm and start declining by 2015. C) All greenhouse gases need to immediately be reduced below their levels in 1990. D) Carbon dioxide emissions must not rise more than 800 ppm, double the levels in the atmosphere today.
In which world region is life expectancy about the same today as it was in 1975?
A) North America B) Europe C) Australia D) Africa E) East Asia
Relative to latitude and surface energy receipts, which of the following is true?
A) Insolation intensity decreases with distance from the subsolar point. B) Seasonal effects increase toward the equator. C) Day length decreases with increasing latitude in summer. D) The greatest seasonal variability occurs at exceptionally high latitudes. E) Insolation intensity increases with distance from the subsolar point.