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A) Air trapped in water was released. B) Air trapped in the sponge was released. C) Water trapped in the sponge was released. D) Water absorbed by the sponge was released.
A) oxygen B) nitrogen C) the atmosphere D) water vapour
A) gains heat and flows to the sea B) loses heat and falls to the Earth C) loses heat and becomes clouds D) gains heat and forms water bodies
A) Air has mass. B) Air occupies space. C) Air cannot be compressed. D) Air has mass and occupy space.
A) gas to solid B) liquid to gas C) gas to liquid D) solid to liquid
A) B only B) C only C) B and C only D) A, B and C
A) A and C only B) A and D only C) B and C only D) A, C and D only
A) Household A B) Household B C) Household C D) Household D
A) add salt to the water B) pour the water on a flat tray C) cover the mouth of the glass D) put the glass of water in the freezer
A) A and B only B) A and D only C) B and D only D) C and D only
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