Four of the five answers listed below are characteristic of desert crusts. Select the exception.

A) form at the surface of desert soil
B) made up of living organisms, including cyanobacteria, lichens, mosses, and fungi
C) secrete organic molecules that are harmful to most other desert organisms
D) perform nitrogen fixation, making this nutrient available to plants
E) hold soil particles in place

Question

Brigitte Hidalgo · Accepted Answer

Final Answer : C, Explanation :  Desert crusts do not secrete organic molecules that are harmful to most other desert organisms.

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