how did biosphere evolve over a period of time??
what is difference between biosphere and technosphere?
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Over a long period of time, the atmosphere developed a mix of oxygen and other gases that could sustain new forms of life. The addition of oxygen to the biosphere allowed more complex life-forms to evolve. Millions of different plants and other photosynthetic species developed.The technosphere, though, differs from the biosphere in one crucial respect. The biosphere is extremely good at recycling the material it is made of, and this facility has enabled it to persist on Earth for billions of years. The technosphere, by contrast, is poor at recycling.
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