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23 hours ago · Two girls in Sweden, Mira in 2020 and Rakel in 1920, travel through time and switch bodies. Trapped in a mysterious cave in the forest; swaps with another person in that cave. White woman and black man. Each night, a teenage girl swaps her body with different people linked to a boy who disappeared in 1991.
23 hours ago · Properties Form and structure Gallium crystals Most metals are shiny and lustrous, at least when polished, or fractured. Sheets of metal thicker than a few micrometres appear opaque, but gold leaf transmits green light. This is due to the freely moving electrons which reflect light. Although most elemental metals have higher densities than nonmetals, there is a wide variation in their densities, lithium being the least dense (0.534 g/cm 3) and osmium (22.59 g/cm 3) the most dense. Some of ...
