Soils high in organic matter and soluble minerals have attracted farmers to _______________ climate regions, but dry cycles can cause crops to fail year after year
Fill in the blank(s) with correct word
steppe
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Major area of commercial grain farming:
From Table 29.1, the biome map, and the climate map, determine the terrestrial biome that best characterizes each of the following descriptions and write its name on the first line provided. On the second line, relate it to temperature and precipitation regimes and/or global pressure and wind belts outlined at the end of Section 1.
The phosphoric acid salt of caffeine has the structure
This molecule behaves as an acid in that it can donate a hydrogen ion, created from the hydrogen atom bonded to the positively charged nitrogen atom. What salt is formed when 1 mole of this salt reacts with 1 mole of sodium hydroxide, NaOH, a strong base?
A. Na+H2PO4- B. Na2+HPO42- C. Salts can't react to form salts, rather they only arise from the reaction of an acid and a base. D. H3O+H2PO4-
High volatile content would be most likely associated with:
a. rhyolitic magma b. basaltic magma c. gabbroic magma d. porphyritic magma
Which of the following is not accurate concerning water and mass wasting in unconsolidated (loose) materials?
A. Slopes become unstable when a small amount of water is added. B. Slopes can be unstable if the material is too dry. C. Slopes can be more stable if the material has some water in it. D. Slopes become very unstable if there is too much water. E. All of these choices are correct.