Discussion PHY 7-1.docx - Discussion 7-1 PHY I believe that...

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Discussion 7-1 PHYI believe that we are headed to a mass extinction. The last extinction we haveevidence of is the one that wiped out the dinosaurs 66 million years ago. The pastmass extinctions can be connected to catastrophic events, but the extinction weare faced with currently are caused by humans[ CITATION Iva20 \l 1033 ]. Thedrivers that are causing our extinction rate to become accelerated include habitatloss, the impacts of alien or invasive species, over-exploitation, pollution, andclimate change[CITATION Phi15 \l 1033 ]. Scientists have developed models toshow how the climate has changed with current natural processes, but only whenhuman activity is added can it be matched to our current climate. Humans havebeen fast tracking climate change since the mid-1700s and have been exploitingearth’s natural resources since[ CITATION Dav16 \l 1033 ].All our spheres are connected and influence each other. When the sixth extinctioncomes into play, this will give earth to opportunity to reset. Whatever it is

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