How do evaporites occur?
A) Evaporation turns rock to smaller fragments.
B) They are extremely rare; the sun and moon must be aligned.
C) Volcanic rock combines with sedimentary rock.
D) Extensive evaporation allows precipitation of halite and gypsum.
Answer: D
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On the summer solstice, the highest position of the noonday Sun is located
a. ?near the North Pole. b. ?in the mid-latitudes of the Northern Hemisphere. c. ?in the mid-latitudes of the Southern Hemisphere. d. ?near the South Pole. e. ?near the equator.
Due to the long history of environmental damage from acid-mine drainage, present-day mines can no
longer be developed in a sulfide ore body. Indicate whether the statement is true or false.
What describes the measurement of the concentration of hydrogen ions compared to the concentration of hydroxide ions in a solution?
A. ionization B. pH C. alkalinity D. covalent bonding E. isotope
What organism uses the tides, specifically high spring tides, to time their breeding behaviors?
a. Fiddle crabs b. Grunion c. Hantzchia d. Sand crabs