How do you distinguish between solid , liquid and gaseous states ?

Distinguish between the following : Liquids and Gases:

Distinguish between: Infrasound and Ultrasound

Distinguish between cilia flagella.

How do you distinguish between hypogeal germination and epigeal germination? What is the role of cotyledon (s) and the endosperm in the germination of seeds?

Distinguish between the following : Solids and Gases:

Distinguish between Atoms and ions

Distinguish between: Reptilia and Mammalia

Distinguish between Conductors and Insulators

Distinguish between ionic solids and moecular solids.