Will a soil comprised of a combination of sand 10 percent, silt 20 percent, and clay 70 percent tend to have high or low porosity?
Using Figure 27-1, the standard soil texture triangle, answer the question.
What will be an ideal response?
High
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What happens when the ocean absorbs more carbon dioxide?
a. Seawater pH decreases. b. Seawater pH increases. c. Less carbonic acid forms. d. Calcium carbonate dissolution decreases. e. Coral reef building increases
The wind speed of a hurricane (in the northern hemisphere) is greatest
A) on the left-hand side of the storm. B) behind the storm. C) in front of the storm. D) on the right-hand side of the storm.
The chemical formula for gypsum is:
a. CaCO3 b. Ca,Mg(CO3)2 c. NaCl d. none of the above
Cultural convergence has been most significant in the pattern of world industrialization that has developed in ________.
A. Western and Central Europe B. East Asia C. Eastern Anglo America D. Eastern Europe