Metamorphism usually ________ the radioactive-isotope clock
A) retains
B) preserves
C) maintains
D) resets
Answer: D
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One important result of orogeny is that continental crust becomes thicker.
Answer the following statement true (T) or false (F)
Physicists refer to thermal energy as
A. potential energy. B. heat. C. internal energy. D. temperature.
The polarity of water makes it able to dissolve many compounds. Indicate whether the statement is true or false
Passive margins are ________. They are called passive margins because they are associated with ________
a. continental margins facing the edges of diverging plates; much earthquake and volcanic activity b. found at plate boundaries; much earthquake and volcanic activity c. found at plate boundaries; almost no earthquake and volcanic activity d. continental margins facing the edges of diverging plates; almost no earthquake and volcanic activity