Answer:
I am a time for gathering crops. Remove the first three letters and I become an object you can wear.
I am a word of letters three. Add two and fewer there will be. What word am I?
Lighter than what I am made of, more of me is hidden than is seen. What am I?
I have to be broken before I can be used
I am an instrument you can hear but cannot touch or see. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?