Write a short essay describing and discussing cyclothems. What are they composed of and what do they indicate about
the near-shore environment? Why are they distinguished by coal deposits? What will be an ideal response?
The student should first define a cyclothem and provide a description of the environments
that they represent (alternating marine and non-marine deposits). Further, the student should
discuss the inter-relationship between deltaic and shallow-marine environments and shelf
environments that cyclothems illustrate.
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The concentration factor of an ore is a measure of its enrichment in a metal of interest, relative to average crustal rock.
Answer the following statement true (T) or false (F)
The wetter, intercepting slope of a mountain is termed the ________ slope, whereas the drier, downwind slope is termed the ________ slope
A) left side; right side B) west side; east side C) windward; leeward D) leeward; windward
Recent temperature increases correspond to a period of increased sunspot activity
Indicate whether the statement is true or false
What is a traditional livelihood source in Tibet?
A) paddy rice B) horses C) yaks D) pigs E) silkworm