I shave every day, but my beard stays the same. What am I?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Take one out and scratch my head, I am now black but once was red. What am I?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

Chhote se Chintu Miyan,
Lambi si Pooch.
Jahan Jaye Chintu Miyan,
Wahan Jaye Pooch.

छोटे से चींटू मियाँ,
लंबी सी पूंछ।
जहाँ जाये चींटू मियाँ,
वहाँ जाये पूंछ।

Bolo kya?

If your uncle’s sister is not your aunt, what relation is she to you?