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After watching a video about submarines, Jamil wants to learn more about the ocean. which question could be answered through scientific investigation?
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After watching a video about submarines, Jamil wants to learn more about the ocean. which question could be answered through scientific investigation?

User Fabio Fantoni
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Submarines are equipped with water tanks called ballast tanks that fill up to submerge the vessel. Emptying the tanks and filling them with air causes the submarine to surface.
User Brandon Martinez
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