[LivingNet]

Urey proposed by creating a chamber with only hydrogen, water, methane, and ammonia"

I guess you missed my words that from "scratch" means ABSOLUTE NOTHING. This experiment already started with 4 elements and then added heat and light. You didn't answer the question - "How did nothing explode?"

[js1138]

Going back to post #10, I see no reference to "nothing" or "explosions". Are we suddenly talking about the creation of the universe?