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What do you mean? There are several such risks, including the ongoing mass extinction event.
by Tepix 4y ago
What do you mean? There are several such risks, including the ongoing mass extinction event.
- throw_pm23 4y agoWhy would you exchange a planet that is halfway to becoming uninhabitable to one that is all way there.
- rqtwteye 4y agoName one risk that would make survival on Earth even remotely as hostile to life as Mars already is.