Conglomerate is common, but sedimentary breccia is not. Why?
A)The gravel becomes rounded very quickly during transport.
B)The gravel is so easily consolidated.
C)The conglomerate is formed in place and does not have to be transported for long distances.
D)The sedimentary breccia is composed of rare rock types.
E)Conglomerate is weathered by water, but sedimentary breccia is weathered by wind.
A
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The main problem with use of conventional natural gas as a transportation fuel is
a. the expensive engine modifications required to convert an automobile for use of natural gas b. the fact that it has higher CO2 emissions than gasoline produced from conventional oil c. the very low reserves, which could supply U.S. needs for less than 25 years d. the fact that not many fueling stations exist at present e. it can only be obtained by fracking
The Ekman spiral is similar to an eddy in that the water spirals downward like a whirlpool
a. True b. False
The greenhouse effect is directly enhanced by ____
A) photosynthesis B) energy absorption by atmospheric water vapor particles C) chemical weathering D) carbon dioxide dissolution in the oceans
Which is the primary factor that causes ground water to flow more slowly than surface water?
A) friction B) temperature C) pressure D) small pore sizes