Label O is organic material, label A is topsoil, label B is subsoil and label C is weathered rock. They represent different soil layers.
<h3>Soil layers</h3>
Soli layers, also called horizons, refer to the different layers observed on the ground.
The topsoil is a layer of soil composed of a mixture of sand, silt, clay and organic material referred to as humus.
Weathering rocks refer to the dissolved rocks and/or minerals on the Earth's surface.
Subsoil refers to the layer under the topsoil on the surface of the ground.
Learn more about soil layers here:
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The frontal lobe takes about 1/3 of the cerebral cortex.
The seven units that form the basis for all derived units in the metric system are called the base units. Math: Powers of ten. Language: Prefixes. Kilograms: another kind of measurement. Hope this helped :)
Plagues wiped out the entire crop in a large region
Answer:
Dioxins are highly toxic and can cause cancer, reproductive and developmental problems, damage to the immune system.
The aryl hydrocarbon receptor is a protein best known for its role in mediating toxicity.
The AhR has roles in regulating immunity, stem cell maintenance, and cellular differentiation.
Explanation: