Answer
1. a. The main sources of carbon monoxide are automobile exhaust, wood fires, and charcoal cooking fires. Because CO is such a dangerous gas, adequate venting to the exterior is needed where charcoal or wood fires are used for cooking. The use of a carbon monoxide detector is also advisable in these circumstances.
Work Step by Step
1.b
Mitochondria need oxygen (O2) to carry out aerobic cellular respiration-- a process in which ATP is produced.
