Acup of water containing an ice cube at 0°c is filled to the brim. the tip of the ice cube sticks out of the surface. as the ice melts, you observe that

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When putting ice cubes at 0°c and that the ice cube sticks out of the surface, what you can observe once the ice melts is that the water level would stay the same because the space that the ice occupies would still be the same space it would occupy when it melts.