Which type of sediment is of organic origin, that is, made by organisms?
A) terrigenous sediments
B) biogenous sediments
C) hydrogenous (or authigenic) sediments
D) cosmogenous sediments
B
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Compare and contrast Himalayan- and Andean-type orogenies. What will be an ideal response?
During the Paleozoic Era, cratons were covered with large bodies of water called epeiric seas. Indicate whether the statement is true or false
____________ is a systematic process of asking questions about the observable world by gathering and then studying
information (data). Fill in the blank(s) with the appropriate word(s).
Pyroclastics
A. are smaller volcanos that develop on the sides of a main volcano. B. are researchers who study volcanos and volcanic processes. C. are solid materials erupted from a volcano. D. represent the fluid portion of lavas.