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helped or hindered, does that mean there was basically a window of opportunity and life made it?
by libraryatnight 6y ago
helped or hindered, does that mean there was basically a window of opportunity and life made it?
- mongol 6y agoPerhaps not in this particular example. Without the oxygen, a bi-product of life, no ozone and no limitation of UV radiation. However other windows of opportunity may have closed. Such as seems to have happened on Mars and Venus.
- nextaccountic 6y agoNote that the oxygen in atmosphere was created by life itself. Oxygen molecules are highly reactive and without a process that continually produces them they would eventually disappear.