Are you referring to DNA?
Answer:
The answer is the respiratory system
Explanation:
The function of the respiratory system is to move two gases. These two gases are called oxygen and carbon dioxide. Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.
You just multiply then get you answer then that will be part one
Answer:
chemical properties can only be measured only by changing a substance chemical identity
Explanation:
apex
