An average value for the salinity of seawater could be (pick the best choice) ________.
A. 30 g/kg
B. 20 g/kg
C. 15 g/kg
D. 35 g/kg
E. 25 g/kg
Answer: D
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Which of the following topics of study would best incorporate the holistic perspective?
A) The impact of political policies on soil erosion B) The examination of soil grains under a microscope to identify the amount of air space between grains C) The degree to which soil particles expand when they are wet and contract when they dry out D) Identifying the soil type from a sample collected in the field
Which processes in the hydrologic cycle recharge the aquifer? What will be an ideal response?
A poleward moving (northward moving in the Northern Hemisphere) ocean current is:
A) either a warm or a cold current. B) a cold current. C) warm in summer and cold in winter. D) a warm current.
Acid rain results in the release of more aluminum ions from soil.
Indicate whether the statement is true or false.