it will harden in a hot temperature
air allows the bread to dehydrate, it dries it out and it hardens
because it's structure gets harder and harder as the molecules inside of it start to harden or adapt to its environment
A reduction in temperature.
32 f
32F
Stainless steels that harden by subcritical temperature aging process
mercury becomes liquid at room temperature
32 degrees
Yes, if left uncovered in a dry place, all bread will dry out and become hard.
Different types of glues take different temperatures to set and harden them.
basics, bread like moulds and stuff
The foaming of the yeast or other rising agent helps the bread to rise. It fills the bread with gases to keep the dough pushed out while baking evaporates the moisture and causes it to harden. By that point, the gases will have evaporated too, and you are left with the hardened dough which is now known as bread.