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The two major global changes affecting the biosphere today are the ozone layer high in the atmosphere and the global climate system. Hope this helps! (:

It's the global warming and the climate change. The biosphere is the global sum of all ecosystems
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11y ago
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5mo ago

The two major global changes affecting the biosphere today are climate change and habitat destruction. Climate change is altering ecosystems and species distributions, while habitat destruction is leading to loss of biodiversity and disruption of ecological balances. Both of these changes are having significant impacts on the health and stability of the biosphere.

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Q: What are the two major global changes affecting the biosphere today?
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