Question

Engineers refer to any loose material on the surface of the Earth as soil. How does this differ from the definition used in Earth sciences?
A) There is no difference, the definition is the same.
B) Earth scientists use the term soil only for the organic part of the surface materials.
C) Earth scientists only use the word soil to refer to the inorganic part of weathered, surface materials.
D) An engineer's "soil" is equivalent to what Earth scientists call regolith; soil has a more specific meaning.

Answer

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