What Am I Riddles

Question: Name two different words using following words only... 1. Without me 60% living beinga cant survive.. 2. Without me none ( living+non-living cant survive... 3. Both have five letters each but both r anagrams of each other..

Question: Follower of man, Dark as night, A trained Choreographer, Comes after light.

Question: Body of Steel Spits out Fire Feared by Man No Trace of Wire

Question: when you were born you were given 2 bottle. 1 has something bitter but one has something sweet

Question: What's cheaper than gold, yet more valuable.Hard to find, but easy to loose