TASC Environmental Science Level 3 Practice Questions - TASC Environmental Science Level 3 (ESS315118) Exam

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In a typical undisturbed soil profile, which sequence correctly orders the master soil horizons from the land surface downward to bed rock?

O horizon, A horizon, E horizon, B horizon, C horizon, R horizon A horizon, O horizon, B horizon, E horizon, R horizon, C horizon R horizon, C horizon, B horizon, A horizon, O horizon, E horizon O horizon, B horizon, A horizon, C horizon, E horizon, R horizon

Correct Answer:

O horizon, A horizon, E horizon, B horizon, C horizon, R horizon

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