Geologists sometimes find valuable ore deposits by studying the orientation of ________, fractures or cracks in a rock body along which no displacement has occurred.

A. folds
B. faults
C. dips
D. joints
E. strikes


Answer: D

Environmental & Atmospheric Sciences

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According to calculations made by modern astronomers, the age of the universe is close to

A. 21 billion years. B. 7 billion years. C. 6,000 years. D. 14 billion years.

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Pollution cleanup is considered a short-term solution if population and consumption levels grow without corresponding improvement in pollution control technology

Indicate whether the statement is true or false

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The bond between sodium (Na) and Chlorine (Cl) to form halite (salt) is a(n) ________ bond

A) covalent B) valent C) metallic D) ionic

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How much of the world's table salt is produced by the evaporation of seawater?

a. one-quarter b. one-third c. one-half d. two-thirds

e. three-quarters

Environmental & Atmospheric Sciences