A long wave with a period of about 15 minutes will travel across the oceans at a speed of approximately ________.
A. 2 km/sec
B. 20 m/sec
C. 2 m/sec
D. 200 m/sec
E. 20 km/sec
Answer: D
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True or False: The elastic rebound theory explains earthquakes as sudden brittle failure following the buildup of elastic strain
Indicate whether this statement is true or false.
The three key elements of climate change science include the following except
A) study of past climates. B) measurement of current climatic change. C) establishing policy on CO2 emissions. D) projection of future climate scenarios.
New lithosphere is created at
A. transform faults. B. convergent plate boundaries. C. divergent plate boundaries. D. subduction zones.
The type of water pollutant that most commonly threatens human health is/are ________.
A. Toxic and hazardous chemicals B. Thermal pollution C. Oxygen-demanding wastes D. Dissolved plant matter E. Pathogenic organisms