alleryStart learning →The vertical section through a soil, made of layers with distinct properties, is known as what?
AThe soil horizon
BThe soil profile
CThe soil texture
DThe soil parent
Answer & Solution
Correct answer: B. The soil profile
1. Soil formation produces layers, so soil is not homogenous with depth.
2. The vertical section of a soil, taken as a whole, is the soil profile.
3. Within that profile, soil scientists define zones called horizons.
4. A horizon is one layer with distinct physical and chemical properties, so a horizon is a part of a profile rather than the whole.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 31 "Soil and Plant Nutrition", section 31.2 The Soil_
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