Final answer:
Leftovers from bread when closing the secondary line can be donated, repurposed, or disposed of as waste.
Step-by-step explanation:
Leftovers from bread when closing the secondary line are typically used for various purposes depending on the situation. One common practice is to donate the leftover bread to charitable organizations or food banks to help those in need. Another option is to repurpose the bread by using it for croutons, bread crumbs, or bread pudding.
In a scenario where a baker has put too much yeast in the dough, as the dough rises and expands in size, additives like raisins in the dough will also move farther apart, demonstrating a concept similar to the expansion of the universe where galaxies move apart as space expands.