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What is the full multiplicity of the n = 3 level of the H atom?
Humus Material
Organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
Drought-Resistant
Traits in plants that enable them to survive with minimal water.
Species
A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding, forming the basic category in biological classification.
Groundwater
Subsurface water occupying the saturation zone of soils and rocks, acting as a critical source of drinking water and agricultural irrigation.
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