Answer:
Yeast is secreting CO2 causing bubbles in the dough
Explanation:
I think it is Structural connective tissue
A the increase in genetic variation of a population
The dominant shape of a pea pod is Smooth.
To know this we simply need to see the shapes of the majority of pea pod around us and leave the rest to natural selection. The majority of them had smooth shapes.
This indicates that the Genetic that determine the smooth shape of pea pod is Dominant and exist in larger amount.