Clean riddles

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

I can only live where there is light, but I die if the light shines on me. What am I?

If I have it, I don't share it. If I share it, I don't have it. What is it?

What kind of tree can you carry in your hand?

At night they come without being fetched. By day they are lost without being stolen. What are they?

What kind of dog never bites?

I have four legs but no tail. Usually I am heard only at night. What am I?

In a new Engineering Hostels they have 100 rooms. Ankit Garg was hired to paint the numbers 1 to 100 on the doors. How many times will Ankit have to paint the number eight ?

I am a mother and a father, but have never given birth. I'm rarely still, but I never wander. What am I?

If you have me, you want to share me. If you share me, you haven't got me. What am I?