Slash's answer to Kc's Primary 6 Science Singapore question.
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Answer should be option 2. Given the cover on top, less exposure to the air. As for mass, it won’t change because there is no change of water to gas or solid state. However, take note, if there is no cover, answer will be option 3.
Date Posted:
4 years ago
Won't mass change when air contract, answer should be 1 -_-