What determines the ion exchange capacity of soil?
A. The amount of shrink-swell minerals
B. The compressibility of the soil
C. The permeability of the soil
D. The amount of electrically-charged particles
Answer: D
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A hydrogen bond is a special type of
A. dipole-dipole attraction involving hydrogen bound to a highly electronegative atom B. attraction involving any molecules that contain hydrogens C. dipole-dipole attraction involving hydrogen bound to another hydrogen atom D. dipole-dipole attraction involving hydrogen bound to any other atom E. none of the above
What is geography?
A. social science B. physical science C. spatial science D. Earth description E. all of these
Approximately one-half of the energy available in an organism is transferred to the consumer that eats it.
Answer the following statement true (T) or false (F)
What caused the Suez Crisis and the Arab-Israeli War of 1956, and how was it resolved?