Let's make an analogy between the candies left in the bag and a fractionally crystallizing magma. If a crystallizing magma progressively became more enriched in Si (silicon) and depleted in Mg (magnesium),
which color in the candy bag would represent Si in the magma?
a) Red represents Si
b) Yellow represents Si
A
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What is the dominant direction of the longshore current that produced Limantour Spit?
The question is based on Map T-15, the “Point Reyes, California” quadrangle (scale 1:62,500; contour interval 80 feet) showing Point Reyes and Drakes Bay in Point Reyes National Seashore (38°01'38"N, 122°57'51"W). What will be an ideal response?
The lowest temperature ever recorded at the Earth's surface was in
A) The Yukon Territory of Canada. B) Inner Mongolia. C) Mt. Washington. D) Antarctica.
High grading can be defined as ________
A) the natural frequency and severity of fires in a forest B) a forest that has been largely unaffected by humans C) the loss of biodiversity of forest areas D) removal of particular species of trees for fuel and construction E) artificially or naturally reforested areas
How do interacting masses of warm and cool air generate weather patterns?
What will be an ideal response?