Match the columns.
Column A
1. Hydrogen filled balloon
2. Iron
3. Relative density
4. Whales
Column B
(a) Hydrometer
(b) Floats in water
(c) Sinks in water
(d) Floats in air
(e) Air bladders
5. Ice cube
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Match the columns.
Column A
1. Hydrogen filled balloon
2. Iron
3. Relative density
4. Whales
Column B
(a) Hydrometer
(b) Floats in water
(c) Sinks in water
(d) Floats in air
(e) Air bladders
5. Ice cube
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Answer:
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