Oceanic crust is primarily composed of ____________, a heavy dark colored rock composed mostly of oxygen,
silicon, magnesium, and iron. Fill in the blank(s) with the appropriate word(s).
basalt
Environmental & Atmospheric Sciences
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Within a lake, eutrophic conditions predominate in deep, open water
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
South Asia is primarily a region of
A) mid-sized industrial towns B) major urban conurbations C) suburban enclaves D) pastoral nomadic encampments E) rural villages
Environmental & Atmospheric Sciences
All of the following are conducive to the formation of tornadoes except
A) vertical wind shear. B) internal rotation and updrafts. C) mountains and other topographic barriers. D) tightening internal rotation.
Environmental & Atmospheric Sciences
Red tides are caused by dinoflagellates
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences