Good Riddles

Question: Why Can't you hear a pterodactyl using the restroom

Question: What is the Capitol of Las Vegas

Question: I am the universe's complex elegance, I am everywhere...I am created through suffering, inspiration, joy, and even despair. I am born as an idea, and then presented to the human eye. However, unlike living things, I can never die. What am I?

Question: Although I am still, in families, I run. I continue to live on in a living one. As one continues to draw breath, I will not rust. However, when one stops drawing breath, I will become mere dust. What am I?

Question: Instruction manual, to and fro, if it’s wrong you'll still go - what is it?