Answer:
The yeast is no longer active, Climate conditions, too much liquid, Wrong type and amount of yeast, Not adding or using too little salt, Insufficient baking time and Wrong oven temperature.
Step-by-step explanation:
The yeast is no longer active, Climate conditions, too much liquid, Wrong type and amount of yeast, Not adding or using too little salt, Insufficient baking time and Wrong oven temperature are the factors that could fail the process of dough rising. For rising of dough, the environmental conditions and materials that is used in dough must be present in optimum range or quantity.