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Q&A How can I wipe out life in oceans?

Imagine you're on vacation in Greece. It's a nice sunny day, so you decide to go for a swim. The bottom of the sea is full of some greenish-brown ugly seaweed, every stone is covered by some fuzz a...

3 answers  ·  posted 8y ago by RudolfJelin‭  ·  last activity 8y ago by RudolfJelin‭

Question geography earth