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Everyday Science Everyday Science Difficulty: Medium

The most densest substance on the Earth is __________.

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More Everyday Science Questions

Total number of moons in entire Solar System are:__________? What is the molecular weight of Ammonia (NH3) ________ ? It is impossible for a type of O+ baby to have a type of____________mother: Water is a highly effective coolant for a car engine because _________? First controlled fission of an atom was carried out in ________ on 1938.