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OpenStudy (anonymous):

Why Earth and other planets were not solid when they formed during the Hadean era approximately 4,600 million years ago (MYA). Someone please help me with this question! ill be ur fan and give u a medal! :) help me

OpenStudy (compassionate):

If you were able to travel back to visit the Earth during the Archean, you would likely not recognize it as the same planet we inhabit today. The atmosphere was very different from what we breathe today; at that time, it was likely a reducing atmosphere of methane, ammonia, and other gases which would be toxic to most life on our planet today. Also during this time, the Earth's crust cooled enough that rocks and continental plates began to form. (The crust was vehement [i.g., lava[)

OpenStudy (anonymous):

Thanks @Compassionate

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