If you were transported back in time to the Cambrian Period, the mobile marine organisms that would be most
conspicuous would be ____.
a. brachiopods
b. crinoids
c. sharks
d. trilobites
e. plankton
d
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The first cities appeared in
A) China. B) Egypt. C) the Indus Valley. D) Turkey and Iraq.
How does the Milankovitch theory explain intermediate-term climatic events like the Pleistocene
glaciation? According to Milankovitch, variations in what three parameters of Earth's orbit were responsible for the onset of Pleistocene glaciation? What will be an ideal response?
What is a talus?
A) a pile of rock with no vegetation covering it B) an arm of debris and regolith C) a pile of rock at the bottom of a steep slope D) a scooped-out area caused by a fall or slip of debris
Shaking regolith will have the effect of
A) compaction, both wet and dry. B) liquefaction, both wet and dry. C) compaction when wet, and liquefaction when dry. D) compaction when dry, and liquefaction when wet.