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

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

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

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

I add 5 to 9 and get 2. The answer is correct, so what am I?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

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

You see me once in June, twice in November, and not at all in May. What am I?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?