Paleozoic paleogeographic reconstructions are based primarily on ____
A)magnetic anomalies
B)volcanic rocks
C)metamorphic assemblages
D)structural relationships
E)transgressive sequences
D
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Which of the following is true?
A) The IPCC Climate Change found no proof of anthropogenic climate change. B) The IPCC is certain all climate change is now caused by humans. C) The IPCC has regulated the end of all CO2 emissions to the atmosphere. D) The IPCC believes recent climate changes to be very likely caused by humans. E) The IPCC recommendations are questionable because scientists were paid off.
A(n) ____________________ is a ridge of glacial deposits that marks the farthest advance of a glacier
Fill in the blank(s) with correct word
Oil shales and tar sands contain trillions of barrels of oil that are chemically locked in the formations
Indicate whether the statement is true or false.
Some metamorphic rocks are potential environmental hazards because
A) foliation can represent a plane of weakness in the rock B) the fluids that metamorphose the rocks can leave behind dangerous chemicals C) they are composed of unstable elements D) the crystals do not interlock as in igneous rocks