DIRECTIONS: Read the passage(s) given below and answer the questions that follow Passage - 3 If in a closed room there is some material that is burning, you may have felt suffocation. This is due to excess carbon dioxide that may be accumulating in the room. Plants and animals consume oxygen for respiration and produce carbon dioxide. Which of the following is produced by animals during respiration?

• A. Oxygen           
• B.          Nitrogen
• C. Carbon dioxide
• D. All of these