The regions of the ocean characterized by smooth ocean floor are called
A. abyssal plains.
B. ocean bottoms.
C. seamounts.
Answer: A
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Sudden movement on a fault can cause a tsunami when
A) a hurricane or cyclone is occurring. B) the fault suddenly uplifts or downdrops the seafloor. C) hot water trapped below the seafloor is released. D) a fault on land has a large displacement. E) None of these are correct.
Increased volcanic activity may raise the temperature of Earth enough to make the climate warmer and more tropical
a. True b. False
Explosive volcanoes that cause death and destruction are more likely to be composite cone volcanoes
Indicate whether the statement is true or false.
The next advance in Doppler radar technology is the polarimetric radar that transmits ____
a. a horizontal radar pulse b. a vertical radar pulse c. both a horizontal and a vertical radar pulse d. light beams e. radar pulses specifically in the polar regions