The major increase in fifteenth-century exploration was initiated by this country
A) Portugal
B) Spain
C) England
D) the Netherlands
Answer: A
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The common language for communication among various states in India is
A. English B. French C. Portuguese D. Spanish
Match the rock with the appropriate category of sedimentary rock. (The choices may be used more than once.)
A) Organic B) Detrital C) Chemical 1) Sandstone 2) Chert 3) Shale 4) Bituminous coal 5) Rock salt 6) Coquina
Which of the following regions below would you predict to have the thickest continental crust?
A) The West Coast because it is close to the plate boundary
B) The Colorado Rockies and adjacent Great Plains
C) The area with thick sediments around the Mississippi River
D) The Appalachian Mountains, the dominant range in the eastern United States
E) The East Coast because it is a passive margin
Over a one year period, how thick a layer in the oceans is subject to heating and cooling as the seasons change?
A) 15 - 100 meters B) less than 6 meters C) 10 centimeters D) 200-600 meters E) 1 meter