What is common between liquids and gases. Gases are similar to liquids in that they flow; hence, both are called fluids. The primary different between gases and liquids is the distance between molecules. In liquids, the molecules are close together, where they c ontinually experience forces from surrounding molecules.
Injera is usually made from the tiny, iron-rich teff. However, teff production is limited to certain middle elevations and regions with adequate rainfall, so it is relatively expensive for the average household.
Now lets go to the Injera recipe (verbatim from this link) Uses only 1/4 cup of the starter. If you want to use all the 2 cups of the starter increase the flour, salt and water accordingly. Mix. Place the starter in a bowl.