Question

this and it what is the difference between will anyone tell me please

Answer 1

this means yah and it is also means yah but only use for non living things

Answer 2

"It" is used for something that's not physically present and the sentence formed is familiar to the speaker.On the other hand, "this" is used for something that's physically present. "It" is the third person ,singular, neuter pronoun whereas this is used for usually referring all living species.