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There are four types of probability sampling methods: simple random sampling,systematic sampling,quota sampling,and cluster sampling.
Unfractured Granite
A type of igneous rock, characterized by its large crystals and lack of cracks or fractures, often used in construction due to its strength.
Fine-Grained Sediment
Sediment that consists of tiny particles and fragments, such as clay or silt, which are often transported by water or wind and deposited in calm environments.
Permeability
Permeability is a measure of how easily a fluid can move through a porous material, such as soil or rock, indicating the material's ability to transmit water or other fluids.
Compacted Clay
Clay soil that has been compressed, often leading to reduced water infiltration and aeration.
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