The most widely held theory for how precipitation develops for warm clouds is the ____
a. uplift mechanism
b. supercooling mechanism
c. Bergeron process
d. collision-coalescence process
d
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Salinity of seawater is a measure of ____
A)the total sodium and chloride B)the total quantity of dissolved solids C)trace elements D)chemical weathering in the oceans E)the volume of elements outgassed
When you burn a log in your fireplace, you are converting ________
A) chemical energy to nuclear energy B) thermal energy to electrical energy C) thermal energy to chemical energy D) chemical energy to thermal energy
A major advantage of hydrogen?generated electricity over other new renewable energy sources is that it ________
A) is less expensive B) already has an infrastructure in place for using hydrogen as fuel C) creates greenhouse gases but no acid deposition D) can be produced where and when electricity is needed rather than being intermittent E) converts the kinetic energy of earth processes to electrical energy
Rocks of the continental crust contain different minerals and each mineral has its own melting point. If the minerals with the lowest melting temperatures are the only ones melted, this is referred to as
A. partial melting. B. temporary melting. C. complete melting. D. subductive melting.