EVALUATION
Directions: Read and analyze carefully the statement. Write T if the statement is true and F if false.
1. Oxygen plays an important role in changing materials.
2. In the process of combustion, without oxygen fire will not occur.
3. Foods are not easy to decompose when they are placed in the refrigerator because of lack
of oxygen.
4. Covering the lighted candle is an example of changing material in the presence of oxygen.
5. Metal/iron get rust because of the absence of oxygen.

Please answer this with wisdom