Answer:
cats and deflation tires make this noise.
Maryβs father has 5 daughters: Nana, Nene, Nini, Nono. What is the 5th daughter's name?
I am a seven letter word. I am very heavy. Take away two letters from me and you will get eight. Take away one letter from me and you will get 80. What word am I?
I am what bring things together. Without me everything you see would be a total mass or debris everywhere.
I am perfect with a head perfect without a head; Perfect with a tail perfect without a tail; Perfect with either neither or both.
No matter how little or how much you use me, you change me every month.