In the sphere of living environment, the varied evolution of plant life, the periods of forestation and deforestation, the introduction of deleterious plants simultaneously with harsh conditions of life and enforced migration, as well as of mechanically dangerous plants, are among the well-ascertained causes of diminution and extinction. [Please select]
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Game, Forestation and Parks Comm. [Please select]
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Game, Forestation, and Parks Comm. [Please select]
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