In which direction should the missing arrow point?

You can see it everyday, But cannot touch it at will. What is it?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

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

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M