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Match the soil horizon with its location in a soil profile. 1. Horizon O (decomposed
Match the soil horizon with its location in a soil profile.
1. Horizon O (decomposed organic material)
bottom of soil profile
2. Horizon R (bedrock, or solid rock layer)
top of soil profile
3. Horizon B (some organic and many inorganic materials)
middle of soil profile
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The answer is the second one b