If precipitation and soil moisture are inadequate to meet potential evapotranspiration demands, the moisture condition is described as
A) actual evapotranspiration.
B) a surplus.
C) a deficit.
D) soil moisture utilization.
C
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When using a psychrometer and the two temperatures read nearly the same, you can conclude that ________.
Fill in the blank(s) with the appropriate word(s).
The establishment of the mosses on bare rock and eventual addition of grasses represents
A) a climax ecosystem. B) primary succession. C) secondary succession. D) intermediate succession.
Which of the following is an example of a trace fossil?
A) petrified wood B) fossil dung C) spider trapped in amber D) carbonization of a bee
Rural to urban migration beginning in the 1800s in the United States was an outgrowth of
A) the Homestead Act. B) the establishment of the University system. C) a demographic shift in family size. D) the Industrial Revolution. E) food imports.