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

Environmental & Atmospheric Sciences

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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

Environmental & Atmospheric Sciences

What is geography?

A. social science B. physical science C. spatial science D. Earth description E. all of these

Environmental & Atmospheric Sciences

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)

Environmental & Atmospheric Sciences

What caused the Suez Crisis and the Arab-Israeli War of 1956, and how was it resolved?

Environmental & Atmospheric Sciences