Even with future "life start over" asteroids impacting our planet,have we permanently changed the atmosphere?

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Even with future "life start over" asteroids impacting our planet,have we permanently changed the atmosphere?

2007-02-04 09:10:26 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Astronomy & Space

2 answers

No. If humans just left the planet Earth, after a few million years, things should get back to normal and it would be hard to tell if humans were ever even here. Maybe that's not such a bad idea?

2007-02-04 09:15:24 · answer #1 · answered by Scythian1950 7 · 2⤊ 0⤋

irreversible damage has been done, with or without mankind cycles of geologic reversals are already in motion, it is only by chance we are comfortably living in a so called " mild conditional phase"

2007-02-04 18:24:08 · answer #2 · answered by blinkky winkky 5 · 0⤊ 0⤋