Coral polyps secrete solid masses of rocklike material. The primary chemical composition of this material is
A. calcium fluorite.
B. calcium silicate.
C. calcium carbonate.
D. carbon dioxide.
E. quartzite.
Answer: C. calcium carbonate.
Environmental & Atmospheric Sciences
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Desert pavement is the barren, sandy dune surface common in deserts.
Answer the following statement true (T) or false (F)
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Joints are fractures with no movement, and usually they cannot occur in groups.
a. true b. false
Environmental & Atmospheric Sciences
Strain, the amount of deformation undergone by an object, is expressed in rocks by
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Environmental & Atmospheric Sciences