Which of the following refers to the investigative process by which geologists identify and match sedimentary strata and other rocks of the same ages in different areas?
a. super matching
b. cross-access dating
c. correlation
d. strata indexing
c. correlation
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The people of northern Iraq, southeastern Turkey, western Iran, and parts of Syria that press for a state of their own are the
A. Arabs B. Farsi C. Persians D. Kurds
A self-amplifying reaction and a nuclear explosion in a nuclear power plant are prevented in large part by ________
A) the regular addition of uranium-239 to the fuel B) control rods that absorb extra neutrons C) "sponges" that absorb liquefied uranium that leaks out of the reactor core D) the production of plutonium-239 E) fuel rods that absorb tremendous amounts of heat
Which of the following is NOT something we can learn by determining isotopic ages?
A. the cooling history by using different types of isotopic ages B. the age when a rock is uplifted toward the surface C. the age of material from which clasts in a sedimentary rock were derived D. the age of a volcanic eruption E. We can determine all of these.
All of the following are true regarding sunspot activity EXCEPT
A. The Little Ice Age occurred when there was a minimum of sunspot activity. B. Solar flares are more common with maximum sunspot activity. C. There is, on average, an 11 year cycle for sunspot cycles. D. More sunspot activity means less overall energy emitted from the sun.