The amount of electrons and energy levels.
I hope this helps:)
D targeting youth in tobacco advertisement
It's D. The answer below should not be certified as it is incorrect. If you are HIV You will likely show symptoms. If you do not then you asymptomatic.
Behavior is not a main factor
Answer:
D. all of the above
Explanation:
The trachea is lined up with the cilia, which sweeps fluids and foreign particles out of the airway
Cilia are complex structures of the paranasal sinus in which its function is critical to respiratory defense.
Further back in your nose are even smaller hairs called Cilia.
