1: what does the term polyphony mean?

Question

- one sounding
- same sounding
- many sounding <<---
- no sound
2: what type of texture is demonstrated in this recording
- monophonic
- homophonic
- polyphonic
- trophonic
3: which type of texture is demonstrated in this recording of Gregorian chant
- monophonic <<----
- homophonic
- polyphonic
- trophonic
4: In homophonic texture how many melodies are there?
- one
- two
- three
- four

I NEED THE REST OF THE ANSWERS PLS

Answer 1

the answers are
many sounding, a.
polyphonic, c.
monophonic, a.
one, a.