An aggregate of two or more minerals is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
rock
Physics & Space Science
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The type of smog that forms in Los Angeles is called ______________ smog
a. photochemical b. exhaust c. biochemical d. exhaugenic
Physics & Space Science
Is it possible for the kinetic energy of an object to be negative?
A. Yes B. No
Physics & Space Science
What normally occurs in a saucer of water placed on your table is
A) evaporation. B) condensation. C) both of these D) none of the above
Physics & Space Science
Light is emitted when an electron
A) is boosted to a higher energy level. B) makes a transition to a lower energy level. C) accelerates to a medium energy level. D) none of the above
Physics & Space Science