The direction of wind or water flow can be interpreted using _______
a) wave marks
b) ridge marks
c) ripple marks
d) mullion marks
e) burrow marks
Ans: c) ripple marks
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Answer the following statement true (T) or false (F)
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
A positive feedback mechanism:a
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The Basin and Range province is characterized by rugged mountain ranges bounded by faults.
Answer the following statement true (T) or false (F)