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Medium shot of a young woman beta testing video game
Image of the Southern Cross asterism in the constellation of Crux, together with the two so-called pointer stars, Alpha and Beta Centauri and the dark Coalsack Nebula.
Iodine-131 nucleus undergoes beta decay to form xenon-131
b-carotene molecular structure 3d, beta-carotene, structural chemical formula view from a microscope

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