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1. What were the first deep-sea divers interested in? 2-3.What are two problems that must be overcome in deep-sea diving?4. How

1. What were the first deep-sea divers interested in?
2-3.What are two problems that must be overcome in deep-sea diving?4. How deep could a diver go wearing a metal suit?5. Is deep-sea diving easy to do? Why or why not?​

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