Hydrocarbons can be widespread in sedimentary rock, but reservoirs are formed by:
a. porous and permeable beds bounded on all sides by impermeable rock.
b. large cavities, such as cave systems in limestone reefs.
c. structural traps.
d. porous and permeable beds bounded on all sides by impermeable rock AND structural
traps.
e. all of these.
D
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A moist, saturated, and rising parcel of air at 0 degrees Celsius
A) is likely being warmed by the release of latent hear. B) cools at the dry adiabatic lapse rate. C) has all of its water in the solid state. D) will soon start to descend. E) all of the above.
The symbiosis between a fungus and the roots of a tree is an example of ________
A) succession B) trophic cascade C) commensalism D) mutual dependency E) mutualism
On June 21st which location will be receiving 24 hrs of daylight?
A. Tropic of Capricorn B. Arctic Circle C. Tropic of Cancer D. Antarctic Circle
The International Ecotourism Society estimates that international tourists interested in seeing nature or wildlife spend over
A. $450 billion per year. B. $550 billion per year. C. $250 billion annually. D. $200 billion annually.