Since Spontaeous Generation has been proven false, why should we believe life arose from dead matter?

Spontaneous generation of life has been shown to be false in modern times. Before life began, the Earth was a very different place. There was no oxygen in the atmosphere, but lots of methane, carbon dioxide, nitrogen, and water vapor. Molecular oxygen tends to quickly break down complex molecules. It wasn't until the first photosynthetic life forms arose that the atmosphere was converted to an oxygen-rich one.





The first single-celled organisms were much simpler than the ones we see today. They could survive because there were so few of them; there would have been much less predation and competition for resources. If we were to transport any of those life forms or their precursors into modern times, they would be destroyed immediately either by our atmosphere or bacteria.





Scientists don't yet know what the first form of life was like. But many are working hard to make that discovery.Since Spontaeous Generation has been proven false, why should we believe life arose from dead matter?
You don't seem to understand the word proof. Go take some math courses.





Miler and Urey didn't prove any such thing





They demonstrated that a bunch of non-living chemicals could form precursors of life. Did they use intelligence to do it? Yep. Could it have happened without help? Maybe

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Since Spontaeous Generation has been proven false, why should we believe life arose from dead matter?
It is impossible to prove that life cannot arise from non-living components. You're mixing your theories up in any case.





It was once thought that maggots arose spontaneously from rotting meat. It was found that if you don't let flies lay eggs on the meat, then maggots don't grow.





That is a completely different phenomenon from what may have started life in the first place billions of years ago. Simple non-organic mollecules have been shown to form organic mollecules under the right conditions. It's not that big a stretch to imagine that the right combination of organic mollecules could have come together in such a way that they could reproduce themselves and begin life.
Spontaneous Generation has not been proven false. If you add energy (ie electricity from lightning) to organic elements ie C,N,H,O,S,P, spontaneous formation of biologic molecules like amino acids and nitrogenous bases have been observed in the laboratory. These are the building blocks of organisms. So life could have very well arose from dead matter.
At the time, spontaneous generation was widely accepted...until it was proved false. The big bang theory, evolution, and any other current scientific theory will eventually be proved (somewhat) false by another scientist.