11 links have been added on 3 ideas about #oxygen.
  1. While canned oxygen might offer some benefits, it’s not a performance enhancer.

  2. Urr, this.,. AIR!

  3. Trees get hardly any energy or materials from nutrients in the ground. They eat carbon from the air and use sunlight to power up their almighty water pumps. Think how stupid those last folk on Easter Island must have felt, killing that which kept them alive. HA, SO IT GOES.

  4. Trees didn’t exist for the first 90 percent of Earth’s history and before that, Earth was home to fungi that grew 26 feet tall. And adding one tree to an open pasture can increase its bird biodiversity from almost zero species to as high as 80