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Ketanco

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Joined
November 6, 2017
Last visited
November 8, 2017

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Everything posted by Ketanco

Earth habitability

Ketanco replied to Ketanco's topic in Earth Science

I was asking about the past. Not future. Since how many years.....
- November 7, 2017
- 7 replies
Earth habitability

Ketanco posted a topic in Earth Science

Hello this is my first post, i hope i ask in right category I was wondering since how many million or billion years earth is suitable for humans to live ?
- November 6, 2017
- 7 replies

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