Measurements of corals in the Caribbean to determine sea level rise and fall are hampered by
A) difficulties with carbon-dating methods due to the way that corals incorporate carbon into their shells.
B) a lack of knowledge about how much tectonic uplift and subsidence have occurred.
C) difficulties in finding all remaining corals buried in sediment.
D) changes in the sea due to local weather conditions.
Answer: B
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A thin math book and a thick science book are joined by a string on a horizontal friction-free table. One book is pushed off the edge of the table. As it falls, the other book (different mass) is dragged horizontally across the table surface. Acceleration of the books is
A. between zero and g. B. g. C. zero. D. g/2. E. greater than g.
What kind of resource is waste disposal?
a. Physical resource b. Marine energy resource c. Biological resource d. Nonextractive resource
The summer monsoon in eastern and southern Asia is characterized by dry weather and winds
blowing from land to sea. a. true b. false
Individual restraints when using common-pool resources are necessary to prevent
A) increases in the maximum sustainable yield. B) the tragedy of the commons. C) a shift from productive to consumptive use of resources. D) shifts in the carrying capacity of natural populations.