The difference between the vestibular folds and the vocal folds in the larynx is that the vestibular folds .

Play no part in sound production.

Explanation:

Larynx is the important organs that are involved in the sound production and in the respiratory system as well. The larynx is also helpful in the relaxation of the cough.

The vestibular fold is also known as the false vocal cord that lies superiorly to the vocal folds. Their main function is to protect the larynx whereas the vestibular folds play an important role in the production of sound. The vestibular folds do not play role in the process of sound production.

Thus, the answer is play no part in sound production.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.