Sound waves are most effective when traveling through solids. Less effective when in liquids and least effective in air.
The Cambrian period I think
Because society has shaped our mind on what we shall think about things
<span>Heterogeneous:
</span>- A salad with tomatoes and almonds
- Salt and Pepper mixed in a bowl (dry)
- A fruit bowl
- Oil and Water
- Solid Tea Herbs and Water
Homogeneous:
- Salt water
- A well blended fruit smoothie
- Lemon water
- Gatorade
- Sprite
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