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OpenStudy (dr.gray):
How is rock gypsum commonly formed? A. organically B. by evaporation C. on a stream bottom D. through stratification
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OpenStudy (bringmetherain):
"Rock gypsum is formed by the evaporation of concentrated solutions like seawater."
OpenStudy (dr.gray):
As a rock, gypsum is a sedimentary rock, typically found in thick beds or layers. It forms in lagoons where ocean waters high in calcium and sulfate content can slowly evaporate and be regularly replenished with new sources of water. The result is the accumulation of large beds of sedimentary gypsum.
OpenStudy (bringmetherain):
So what do you think it is?
OpenStudy (dr.gray):
B.
OpenStudy (bringmetherain):
Agreed.
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OpenStudy (dr.gray):
Thx
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