Composition of Universe
por Dhillon Arjun
![Mind Map: Composition of Universe](https://www.mindmeister.com/image/xlarge/12552223/mind-map-composition-of-universe.png)
1. Matter
1.1. Solids
1.2. Liquids
1.3. Gases
1.4. Plasma
1.5. Pure Substances
1.5.1. Elements
1.5.1.1. Compounds
1.5.1.2. Mixtures
1.5.1.2.1. Homogeneous
1.5.1.2.2. Heterogeneous
1.6. Density
1.6.1. Volume
1.6.2. Mass