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Based on its chemical properties, identify the position of each chemical family on the periodic table.
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How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process
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Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by
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If scientists managed to produce a plasma on Earth, what might they keep in it?...
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