From a climatological perspective, a region is a desert if ________
A) yearly precipitation exceeds evaporation
B) yearly precipitation is equal to evaporation
C) yearly precipitation is less than evaporation
Answer: C
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The concept of a(n) ____________ ____________ ocean suggests that ions are added to the ocean at the same rate as
they are being removed. Fill in the blank(s) with the appropriate word(s).
The ____________ ____________ is the high-water to low-water height difference within a basin. Fill in the blank(s) with the appropriate word(s)
The salinity (which is the concentration of salt in water), temperature, and density of seawater vary with location and depth.
a. True b. False
Autotrophs that dwell in dark caves, wells, or on the ocean floor often depend on which of the following biogeochemical processes?
A) Chemosynthesis B) Photosynthesis C) Nitrogen fixing D) Nutrient leaching