Why does continental crust stand higher than oceanic crust? What will be an ideal response?
Continental crust is granitic with an overall density of 2.7 g/cm3, and oceanic crust is made of basalt
and gabbro with a density for 3.0 g/cm3. Continental crust is around 35 km thick, and in mountain
ranges, it's much thicker. Oceanic crust is only 5 to 10 km thick.
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Contrast loess and sand dunes
What will be an ideal response?
Low sun angles result in reduced solar energy because:
A) day lengths are shorter. B) absorption is reduced. C) energy is spread over a larger area. D) Sun - Earth distance is greater.
The general term describing the pollution-related decline in insolation reaching Earth's surface is
A) atmospheric albedo. B) greenhouse effect. C) global dimming. D) earthshine.
The nuclear power plant in ________, Japan, suffered a catastrophic nuclear accident in 2011, consisting of a series of equipment failures, nuclear meltdowns, and releases of radioactive material
A) Chernobyl B) Mount St. Helens C) Fukushima D) Manilla