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    3. When a submarine submerges under the water it takes on water to add weight to itself to enable it to sink. When it surfaces it expels the water where does the air come from to expel the water from the tanks as it is submerged
    When a submarine submerges under the water it takes on water to add weight to itself to enable it to sink. When it surfaces it expels the water where does the air come from to expel the water from the tanks as it is submerged

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    0  Views: 371 Answers: 1 Posted: 13 years ago
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      from the balist tanks

      13 years ago. Rating: 0
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