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La materia es continua y se forma por cuatro elementos agua ,tierra, fuego y aire.
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la materia sostiene al átomo como una esfera compacta, invisible e indestructible.
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.