The voice because words are more powerfull than the body language. Hope I helped.
Answer:
1)Some do that for competition sake.
2)Youths nowadays reason to the fact that education would take them to wherever position they want to be in life.
3)Some want to make their Parents proud by just passing their exams if they focus and read and also work hard.
Answer:
I have two answers: "Linguists classify vowels according to four pieces of information: tongue height, tongue backness, lip rounding, and tenseness," found on {I can't say the engine but you know what I mean]. My second for vowels is making sounds from the back of your mouth, and lips or tongue don't touch anything.
For consonant sounds (found on "bing"):
the voicing: is it voiced or voiceless,
the place of articulation: where is the vocal tract obstructed, and.
the manner of articulation: how is the vocal tract obstructed.
To help readers focus on the product