The primary reason magma forms at subduction zones is that the subducting plate carries a cover of sediments, water, and hydrated minerals down with it, which lowers the temperature required for the adjacent overlying mantle lithospheric rock to melt.
Answer the following statement true (T) or false (F)
True
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Which below is not an atmospheric condition conducive to the formation of hurricanes?
a. a region of converging surface winds at the surface b. warm water c. strong upper-level winds d. cold air aloft e. moist, humid surface air
What is NOT true about the urban heat island effect?
A. Buildings accelerate nighttime cooling. B. Buildings hinder the mixing of air. C. Surfaces often have lower albedos. D. Surfaces tend to cause more runoff. E. Urban areas are warmer than rural areas.
The open spaces in a crystal of ice contains
A. trace amounts of water. B. nothing. C. vapor. D. none of the above
Subsistence agriculture replaced hunting and gathering
Indicate whether this statement is true or false