Discuss the effects of intraplate hot spots. Provide specific examples. What do hot spots
indicate about the movement of oceanic plates? What will be an ideal response?
The student should discuss the effects of the Hawaiian hot spot on the Pacific Ocean and
the development of the Hawaiian Emperor Seamount chain. Other examples are present
in the Atlantic and Indian Oceans. Some students may discuss Yellowstone National
Park in Wyoming. The movement of the Pacific Ocean plates can be determined by the
orientation of the Hawaiian Islands and the Emperor Seamounts
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Which option best describes the direction of the eruption of Mount St. Helens and the cause of this action, according to Figure 15.24 in your textbook?
A) Magma pressure built up and caused a vertical eruption of magma and ash. B) A rock slide released pressure on the magma, causing a horizontal eruption. C) An earthquake sheared off part of the mountain, causing a horizontal eruption. D) An earthquake opened a vent in the top of the mountain, releasing pressure on the magma and causing a vertical eruption.
How do we know that P and S waves do not travel through Earth at constant velocities?
What will be an ideal response?
The world's first national ____ program began in India in 1952.
A. family planning B. economic transition C. literacy D. sterilization E. urbanization
The principal source of infectious waste material in water is
A. agricultural pesticides. B. industrial waste. C. human feces. D. surface runoff.