Examples
- Imagine stacking bricks in a pyramid shape, each brick supports the one above it, so they all stay strong.
- Limestone is strong, like a rock that doesn’t break easily even when wind or sand hits it every day.
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See also
- How Do We Know What People Thought Long Ago?
- What is hunger?
- How Does the Ancient Roman Calendar Work?
- How Did Ancient Civilizations Count Without Numbers?
- What Makes a Society 'Technologically Advanced'?