26jroskopf 26jroskopf
  • 12-01-2021
  • English
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Early submersibles were dangerous and could remain underwater for only a few hours at a time. How did Robert Ballard solve this problem

Respuesta :

geetsingh geetsingh
  • 12-01-2021

Answer:

He designed a remote-controlled submersible.

Explanation:

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