Hello I Am Invisible

HELLO! I AM INVISIBLE Hello! I am invisible, how to detect? Essential is me on process of life to direct. Life will grow and flow only if I protect. Loyal I go on spontaneous supply free, perfect. Oxygen, Nitrogen, Water vapour primarily I collect. Intense care I spare for life to go, in every respect. A great element of sensible Nature to select. Marvelous companion of life as chosen correct. If I flow, feel me as your prime prospect. Noblest need of life not to neglect. Vital and most valuable amazing aspect. Indispensable support of life to stand erect. 'Sense me as constant inhaler’ says intellect. I am Air constructing Atmosphere as architect. Breathe in and out, ease and comfort I will reflect Love me, feel me, I deserve your respect. Each living being gets same benefit, equal effect. 04/25/16 Note. Acrostic and monorhyme Amazing Air is invisible,feel it Being Invisible #2 Contest Sponsor SKAT A