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As the universe cooled, conditions became just right to give rise to the building blocks of matter – the quarks and electrons of which we are all made. A few millionths of a second later, quarks aggregated to produce protons and neutrons. Within minutes, these protons and neutrons combined into nuclei.
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ansleyitdv
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8The matter is made up of small particles that are too small to be seen, even with a powerful microscope. Anything that has mass and occupies space is called matter. A matter is made up of tiny particles.
Matter on Earth is in the form of solid, liquid, or gas. Solids, liquids, and gases are made of tiny particles called atoms and molecules.
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bonesstevens
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