What was the most recent episode of glaciation in North America?
A) Nebraskan Episode
B) Kansan Episode
C) Illinois Episode Glaciation
D) Wisconsin Episode Glaciation
Answer: D
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What is indicated by a gasoline's octane rating?
A. the degree at which the compound ignites B. the degree of branching in the gasoline hydrocarbons C. the percentage of octane in the mixture D. a measure of how many degrees it takes to ignite a mixture of octane E. none of the above
Which observation suggests that the continental crust did not form by the same processes that presently occur on Earth?
A) The crust is largely andesitic. B) The time frame is too slow. C) There is more water now so the processes must be different chemically. D) Magnetic records in the rocks show that the gravity was different.
Most computer models produce forecasts for only one grid point
Indicate whether the statement is true or false
Chalk is not a sedimentary rock.
Answer the following statement true (T) or false (F)