Sagot :
Answer:
because of the heat
Explanation:
hope this helps hoe
Answer:
sana makatulong..
Explanation:
When a popcorn kernel is heated, the trapped water in the endosperm turns into steam, building up pressure inside the pericarp to more than 9.0 atm. This pressurized, super-heated steam transforms the soft starch in the endosperm into a gelatinous material.