An oil shortage in 1973 was mainly the result of ________
A) increased reliance on domestic oil production and the law of supply and demand
B) global prosperity and an increased global demand for oil
C) global politics and an increased reliance on foreign oil
D) a ban on offshore exploration in the United States
C
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The contraction cycle is triggered by the rise in ________ released from the sarcoplasmic reticulum (SR).
Fill in the blank(s) with the appropriate word(s).
What defines the location of plate boundaries?
A. The location of abundant earthquake epicenters. B. High-mountain belts. C. The coastlines of continents. D. Bogus question: plate boundaries are simply drawn along lines of latitude.
Discuss the changes in views of the principle of uniformitarianism from James Hutton to the
present day. What new scientific data have caused this change in our views of uniformitarianism? What will be an ideal response?
What element was found to be enriched in a thin clay layer marking the Cretaceous-Tertiary boundary at several sites around the world?
A) calcium B) uranium C) iridium D) niobium