The Theory of Seafloor Spreading integrates the plate tectonics and continental drift.
a. true
b. false
b. false
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What is the unit of increase on the Mohs Relative Hardness Scale?
A) An increase of one unit indicates the rock is twice as hard as the one before. B) An increase of one unit indicates the rock is seven times as hard as the one before. C) An increase of one unit indicates the rock is ten times as hard as the one before. D) The scale is variable.
One of the difficulties in recycling for materials recovered from municipal refuse is that they may require
A. source separation. B. source provenance. C. source assessment. D. source assimilation.
Sediment that is supplied to braided streams that are melting from continental glaciers forms an
outwash plain. Indicate whether the statement is true or false.
The 1884 meeting of European powers to divide Africa was the:
A) Berlin Conference B) Africa Forum C) Slave Conference D) Dark Continent Congress