Im not 100 percent sure but i think it is D
1.Inhalation and Exhalation Are Pulmonary Ventilation—That’s Breathing
2. External Respiration Exchanges Gases Between the Lungs and the Bloodstream
3. Internal Respiration Exchanges Gases Between the Bloodstream and Body Tissues
4. Air Vibrating the Vocal Cords Creates Sound
5. Olfaction, or Smelling, Is a Chemical Sensation
well, economic issues. First reason is because you spend money to buy the cigarettes. Second is the government and the tobacco companies buying ingredient form other countries.
Answer:(PE)
Explanation:
i don't really know but pe it the best