t or f a note card is often used in extemporaneous speaking
t or f the impromptu speech calls for a quick mind and instant audience analysis
t or f the power source for a speaker is the vocal process
t or f the lungs are two muscles
t or f the chest is the power source for breathing
t or f chest breathers are short of breath and weak in volume
t or f rate and pitch have little to do with each other
t or f if you think you may look silly, avoid platform movement

T or F a note card is often used in extemporaneous speaking.

False, you should avoid using note cards in extemporaneous speaking.

T or F the impromptu speech calls for a quick mind and instant audience analysis.

True, when you have little time for preparation, you should use the quick mind and instant audience analysis.

T or F the power source for a speaker is the vocal process.

True, for speakers, the power source is the vocal process, specifically the breathing system, which provides the power for voice production.

T or F the lungs are two muscles.

False, but there are muscles around your lungs.

T or F the chest is the power source for breathing.

Not positive so don’t take my work for it but I think True.

T or F chest breathers are short of breath and weak in volume.

True, cheats breathers are short of breath and weak in volume.

T or F rate and pitch have little to do with each other.

False, without one you can’t have the other.

T or F if you think you may look silly, avoid platform movement.

False, platform movement is a good way to keep your audience interested.

Hope this helped! :)

i don't know sorry i cannot read a novel in 30 min.

explanation:

but just in case i think the answer is b.

answer = d. hope this . : -d