gabtto (27)in #dmania • 7 years ago • NoneHere is to all of those unknown memers like meView post on dManiagabtto (27)in #science • 7 years ago • NoneOzone Layer: Depletion, Effects and Solutionsource The ozone layer is a region of the Earth stratosphere that absorbs most of the sun's ultraviolet radiation.…gabtto (27)in #science • 7 years ago • NoneBiomass as sustainable sources of renewable.Everything we do is connected to energy in one way or another. Energy powers our vehicle and planes. Energy warm our…gabtto (27)in #introduceyourself • 7 years ago • NoneIntroducing my humble self to the steemit communityForemost: happy new year, my name is Gabriel and i have been a reader of steemit post and advert by @jerrybanfield for…