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Yttrium is a metallic element with the atomic number 39. what will it form?
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Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.
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Yttrium is a metallic element with the atomic number 39. what will it form?...
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