Which one of the following is an important fundamental assumption underlying the plate tectonic theory?

A) Radioactive decay slows down at the extreme pressures of the inner core.
B) Earth's magnetic field originates in the outer core.
C) Earth's surface area has been essentially constant over time.
D) Earth's ocean basins are very old and stable features.


C

Environmental & Atmospheric Sciences

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Which type of use is the main reason why aquifers are being pumped faster than they are being recharged?

A. irrigation B. industry C. drinking water D. power generation

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Calculate the cost per gallon of water in ???? using the following formula. What will be an ideal response?Year 2000 cost per gallon =Year 2000 monthly bill (question 9b)

Total gallons per month (Table 1)

Environmental & Atmospheric Sciences

Hurricanes in the tropical Atlantic Ocean tend to originate as

A) minor perturbations of the jet stream B) thunderstorms in West Africa C) major pressure lows over the equatorial ocean D) typhoons off the Iberian Peninsula

Environmental & Atmospheric Sciences

Where are earthquakes and volcanoes most commonly found?

A) in the higher latitudes B) at the edges of oceans C) along tectonic plate boundaries D) around the equator E) The location is random.

Environmental & Atmospheric Sciences