My PBL research to answer the question "How can the ocean help us find life on other planets?" by Maida Hanlon https://padlet.com/mhanlon3165/aq5kda0htdaj4rqi This is where you can keep track of all the research you compile in order to answer our unit question "How can the ocean be a signature for finding life on other planets?" en-us 2023-01-23 18:36:14 UTC 2025-10-26 04:44:18 UTC hello@padlet.com Signatures of life mhanlon3165 https://padlet.com/mhanlon3165/aq5kda0htdaj4rqi/wish/2459298736 The signatures of life on early earth would be a volcanic activity (energy), craters, heat, and more. 
Life itself formed in the ocean, so water, or salty water, is also a signature of early life.
All of these things came from other places in the universe, whether that be dust or meteorites, everything that is now on earth went on a cosmic journey.

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