Answer:
produce sound when they come together and then vibrate as air passes through them during exhalation of air from the lungs. This vibration produces the sound wave for your voice. In order for the sound to be clear and not raspy or hoarse, the vocal folds must vibrate together symmetrically and regularly
Explanation:
1. I think that the most popular conversation is about celebrities and relationships.
2. Parents have work and they have to take care of they're kids and they don't really have time.
3. I guess would be like whenever there is an event (not a fight) and when you are with friends. Also, if you want to celebrate an achievement. Basically on the weekend I guess.
4. Some people get cyberbullied and others get hacked.
Decrease the intenseness of the stepper machine so his heart rate doesn't go over his target heart rate zone.
The answer is the thoracic cavity