science
posted by kayci .
a large fiberglass tank was placed in a pit, before pipes could be attached and the tank filled with gasoline, the workers were asked to move the tank to another location.
which of the following suggestions would be the best way to raise the tank off the bottom of the pit so cables could be placed under the tank?
1)fill the tank with gasoline.
2)fill the tank with water
3)fill the pit with water
4)fill the pit with water and the tank with gasoline
5)fill both the pit and the tank with water

3. (Use buoyancy to help raise the empty tank.)
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