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Q&A How would the earth be different if the crust was at most 1km thick?

Currently, the crust varies from 4km (oceanic) to 10km (continental) to 30km (mountains). How would the earth be different if it was all 1/4 the thickness? So it was 1km, 2km and 7km? Would we ha...

2 answers  ·  posted 9y ago by Tim‭  ·  last activity 9y ago by Tim‭

Question earth