Question

please help me friends​

Answer 1

Answer:

Phonetics is a branch of linguistics that studies how humans produce and perceive sounds, or in the case of sign languages, the equivalent aspects of sign. Phoneticians—linguists who specialize in phonetics—study the physical properties of speech.

Answer 2

Answer:

Do it please by own

it's easy

sorry, friend brainly doesn't give us much time to answer this long q.