Answers

  • Brainly User
2016-02-27T22:38:54+05:30
Bio means life.the sphere in which life exists is known as biosphere
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2016-02-27T23:42:15+05:30
1:the regions of the surface and atmosphere of the earth or another planet occupied by living organisms.

2.

an artificial structure enclosing a self-contained ecosystem or ecosystems.

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