biosphere
noun/ˈbaɪəʊsfɪə(r)/
/ˈbaɪəʊsfɪr/
[singular] (specialist)- the part of the earth’s surface and atmosphere in which plants and animals can liveTopics Spacec2Word Originlate 19th cent.: coined in German from Greek bios ‘life’ + sphaira ‘ball’.
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biosphere