biological production معنى"biological production" أمثلة على "biological" معنى "production" معنى "biological hydrogen production (algae)" معنى "biological" معنى "production" معنى "biological action" معنى "biological activity" معنى "biological agent" معنى "biological analysis" معنى "biological anthropology" معنى "biological antioxidants" معنى "biological balance" معنى "biological chemistry" معنى "biological classification" معنى "biological communities" معنى "biological competition" معنى "biological computing" معنى "biological concepts" معنى "biological constraints" معنى "biological contamination" معنى "biological control" معنى "biological corridor" معنى "biological cycle" معنى "biological data" معنى "biological database" معنى أمثلة In marine sediments the biological production of methane, also termed methanogenesis, is generally confined to where sulfates are depleted, below the top layers.
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