________ is the theory that describes the motion of Earth's lithosphere
A) Metamorphism B) Pangaea
C) Plate tectonics D) Sea floor spreading
C
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Evaporation is a cooling process because
A. of conduction and convection. B. the temperature of the remaining liquid decreases. C. heat is radiated during the process. D. the more energetic molecules are able to escape the liquid. E. none of the above
The value of currency compared with that of another country is called a eurocurrency
Indicate whether the statement is true or false
How does the ocean floor preserve evidence of past magnetic reversals
A) Isotopic analysis of ocean core sediments help determine sea floor age and this can be used to infer past magnetism. B) The ocean floor is uniformly old, preserving Earth's 4.6 billion history. C) Mantle hot spots are always oriented to the magnetic field. D) Magnetic particles in basalt orient with the magnetic field in force at the time the oceanic lava cooled and hardened.
Which of the following is one of the causes of monsoons?
A) Jet streams strengthen in the summer. B) Polar easterlies bring contrasting air to the tropics. C) Oceans have large, seasonal temperature changes. D) Continents heat and cool differently than oceans. E) Land cools off quickly in the summer.