What is the ratio of an element's abundance in an ore deposit to its average continental-crustal
abundance?
a. enrichment multiple
b. concentration factor
c. economic feasibility quotient
d. use per capita
e. Poisson's factor
B
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Which of the following locations would have the lowest specific humidity values in July due to the sinking motion of subtropical high pressure areas?
A. A B. B C. C D. D
The biologists' observations that the Carson Wandering Skipper populations had declined is an example of
a. data analysis b. identifying a problem c. performing an experiment d. proposing a hypothesis e. making testable predictions
Just as people read and interpret books differently, they can read and interpret landscapes differently
Indicate whether this statement is true or false.
Paleoproxies are direct measurements of historical environmental variables such as temperature.
Answer the following statement true (T) or false (F)