Page 22 - ORION-United Civilizations, Issue #16

21%). Link
5. Thanks to tiny air bubbles frozen in amber 80 million years ago, scientists are given the opportunity
to obtain data on the Earth’s atmosphere during the dinosaur era. Preliminary studies have shown
that the ancient atmosphere contained twice as much oxygen as it is now. Link
... that allowed to live not only giganstskim people and dinosaurs, but that's so
dragonflies meganeura , the scope of which wings reaches 70 cm:
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