Which of the following is true relative to the Earth-atmosphere radiation system?
A) Averaged over a year, Earth's surface has an energy budget.
B) Averaged over a year, Earth's surface has an energy deficit.
C) Averaged over a year, Earth's atmosphere has an energy budget.
D) The Earth's energy is never in balance because surface surpluses are greater than atmosphere deficits.
B
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Which of the following illustrates how humans are using fog as a resource?
A) Electronic freeway signs in California's central valley warn of fog hazards. B) Gliders utilize winds from morning glory clouds for recreational purposes. C) Residents in the Atacama Desert in Chile use nets to intercept advection fog. D) Sand beetles harvest moisture from fog in the Namib Desert.
Karst refers to landforms and landscapes dominated by ____
a. glaciers b. volcanoes c. oxidation d. solution
Specific humidity is the mass of water vapor (g) per mass of air (kg)
Indicate whether the statement is true or false
Evidence that the universe originated in a "big bang" includes
A. the differences in compositions of the planets. B. the fact that stars radiate energy. C. the observation that stars are all moving apart. D. All of the choices are correct.