When warm, moist air comes into contact with colder, drier air, the warm air ascends, causing the water vapour to condense and form clouds. This process leads to the release of heat, which is a form of energy.
Renal glucose reabsorption.
Answer:
1. The boy detected an unpleasant odor from the packet that was left out on the table, caused by rancidity.
2. The packet stored in the refrigerator remained odor-free because it was not exposed to air.
Explanation:
Rancidity occurs when fats and oils undergo oxidation, leading to a change in their smell and flavor.
Exposure of food items to oxygen results in oxidation, which produces unpleasant smells and tastes.