What I Know A. Directions: Identify the changes that took place in the following activities when there is an application of heat and with the presence or absence of oxygen. A 1. Boiling of water 2. Cooking rice 3. Darkening of eggplant 4. Fish kill 5. Decaying garbage 3 A. breakdown of materials due to bacteria and fungus B. temperature changes to 100 degrees Celsius C. color changes observed commonly among vegetables and fruits D. water gets absorb into the grain, and heat softens the starch then alters its texture when cooked E. occurs when there is lack of oxygen in the ponds or bodies of water. Patulong naman po papasa na ng anak ko bukas​