The Haber-Bosch process creates nitrogenous fertilizers by
A) extracting reactive nitrogen from soils.
B) converting nitrogen gas and hydrogen to ammonia.
C) extracting nitrogen oxides from the gases produced when fossil fuels are burned.
D) allowing vegetative detritus to break down under anaerobic conditions.
B
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______________________ are an example of a source of geothermal energy that utilizes drilling from wells.
Fill in the blank(s) with the appropriate word(s).
This globe from the atmospheric moisture investigation shows land cover, with green being vegetation and tan and brown being bare rock and sand. The largest green areas on the land-cover globe (they are dark on a black and white version) correlate most clearly with which aspect?
A) Location of prevailing westerlies
B) Areas with ice much of the year
C) High amounts of precipitation
D) Rain shadows
What material is 10 on the Mohs scale?
A. diamond B. quartz C. talc
One source of oxygen isotope measurements used for climate reconstruction come from:
A) packrat middens. B) air pollution. C) cores from old trees. D) sea floor sediments.