Forchhammer's principle explains ____
a. seawater pH
b. seawater buffering capacity
c. the carbonate cycle
d. conservative seawater constituents
e. the salinity gradient in the water column
d
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Trucks are most often used for short-distance delivery because they can be loaded and unloaded quickly and cheaply
Indicate whether the statement is true or false.
The geologic column
A) was constructed by looking at evidence of major climate change. B) is a hierarchical system dividing time into five categories. C) is based in part on fossil evidence. D) assigns equal time values to each era.
Why don't halos display the colors of a rainbow?
A) Refraction does not occur with a halo. B) Ice crystals are not transparent. C) Reflection does not occur with a halo. D) The shape and size of ice crystals are not uniform.
Because birds live in every climate and biome, and because they are easy to track and count, they serve as excellent ____.
A. keystone species B. scapegoats C. indicator species D. aesthetic indicators E. habitat harbingers