rationalskepticism.org

truelgbt wrote:

Fenrir wrote:Excluding any molecule known to be associated with life would be self defeating, as it would, you know, remove all molecules associated with life, making the biogenesis of said life rather problemmatic.

Methane and ammonia are not just "molecules" associated with life like water or nitrogen or hydrogen but products directly associated with living things like bacteria, thus methane and ammonia are actually byproducts of DNA, not just water molecules which all of life needs, for example.