Please answer this. deadline ng summative ko today. sa Science.
Paul bit his apple and place it above the table. After some time he noticed that the part of the apple with bite turns brown? Which of the following is the best explanation to Paul’s observation?
A. The oxygen in air reacts with the substance in apple producing chemical change.
B. The oxygen in air reacts with the substance in apple producing physical change.
C. The carbon dioxide in air reacts with the substance in apple producing chemical change.
D. The carbon dioxide in air reacts with the substance in apple producing physical change.