Write a short essay discussing the relationship between organic reef deposits and evaporite
deposits in the Devonian of western Canada. What will be an ideal response?
The student should describe the environment in western Canada during the Devonian and discuss
how the development of a large barrier reef system created a back-reef area that was the site of
evaporite precipitation.
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The airspeed of light aircraft is normally 200 km/h, but when it is caught in a 200-km/h crosswind, its airspeed becomes
A. 283 km/h. B. 0 km/h. C. 400 km/h. D. 200 km/h.
The proven reserves of coal in the U.S. are supposed to last another thousand years at the current rates of use.
Answer the following statement true (T) or false (F)
In the water budget, ________ is the major receipt and ________ is the major expenditure
A) insolation; radiative cooling B) outgassing; dissociation C) precipitation; evapotranspiration D) evapotranspiration; precipitation
Where does barter or countertrade occur today?
A) in modernizing markets in developing countries B) in growing markets in newly industrializing countries C) in traditional markets in underdeveloped countries D) in post-industrial markets in the industrially advanced countries E) in capitalist markets in industrial countries