<span>Balance
</span><span>Proportion
</span><span>Rhythm
</span><span>Emphasis
</span><span>Unity </span>
Answer:
1. Perfumes
2. Odour
3. smell of rain ( you can touch the rain, but not its smell )
4. smoke
5. LPG ( Liquefied Petroleum Gas ) or Natural gas used for cooking
Explanation:
Polyphony began and musical rules changed.
