How does convection transfer heat?
As a material is heated, it expands and its density decreases. The less dense material then rises. After rising some distance, the material begins to cool, contract, and become denser. The material sinks and returns to the original level where it will eventually be heated and rise again.
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Using the letters associated with the diagrams above, diagram ___ illustrates regional metamorphism
a. A b. B c. C
Karst topography is most commonly associated with areas underlain by massive sandstone strata
Indicate whether the statement is true or false
Streams erode downward until they reach ________
A) their base level B) their profile C) an oxbow D) the floodplain
The Nile River supports significant amounts of __________.
Fill in the blank(s) with the appropriate word(s).