Turning an Apple into Energy: Fill the Gap

Which word does the passage use to complete this sentence? “Cellular respiration is the process by which cells convert _____ and oxygen into energy.”

• A.malware
• B.sugar
• C.debate

Which word does the passage use to complete this sentence? “For example, when you eat an apple, your body uses the sugar in it to perform _____ respiration, producing energy that helps you run, jump, and play.”

• A.observe
• B.astronomy
• C.cellular