New: simmetryAll contenthive-129948krhive-196917zzanhive-183959hive-180932hive-185836hive-166405hive-150122steemhive-101145hive-144064uncommonlabhive-145157hive-188619hive-183397hive-184714lifebitcoinkrsuccesshive-193637motivationhive-180301hive-103599hive-193186TrendingNewHotLikersmatxxtia (42)in hive-142013 • 5 years agoTrees help us breathe — and not just by producing oxygen. Amazon rain forest About ...... half of all oxygen in the air comes from phytoplankton, but trees are a major source, too. Still, their relevance for humans' oxygen intake is a bit hazy. Various sources suggest a mature…
