Water enters the atmosphere by ____________________ from the ocean surface. Most of this water
condenses and returns to the ocean as ____________________. Fill in the blank(s) with the appropriate word(s).
evaporation, precipitation
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Thermohaline circulation results in a global- scale "conveyor belt" that circulates water throughout the entire ocean system.
a. true b. false
These images contain a cross section of Venus, a terrestrial planet, and Saturn, a Jovian planet. Notice how Venus, a terrestrial planet, has a rocky mantle. What is the equivalent layer in Saturn made from?
A) Rocky material B) Oxygen C) Ice D) Hydrogen/helium
Vertisols, aridisols, oxisols, and ultisols all have in common that they
A. form in warm climates. B. lack a well-developed A horizon. C. are deeply weathered soils. D. resist formation into polypedons.
How old is the idea that the whole world should be divided into countries?
A) It dates from the beginning of human history. B) It began when the first civilizations arose in Mesopotamia. C) It started in the Roman Empire. D) It has developed over the last two hundred years or so.