Earth's Epic Evolution 😲 by Natnael Demelash https://padlet.com/demelanh252/2zag2vzj3wqox189 A life-story 😃 en-us 2023-04-25 23:14:53 UTC 2023-04-25 23:56:12 UTC hello@padlet.com https://padlet.net/icons/png/1f30d.png 4.6 Billion Years Ago demelanh252 https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567903132 -Inhabitable, molten surface, volcanoes, no water, and toxic gases in the air]]> 2023-04-25 23:28:47 UTC https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567903132 4.0 - 2.5 Billion Years Ago demelanh252 https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567907357 -Earth was shrouded by methane droplets
-No oxygen gas in the air
-Cyanobacteria in the ocean were the 1st organisms to do photosynthesis]]> 2023-04-25 23:34:12 UTC https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567907357 2.6 Billion Years Ago - 400 Million Years Ago demelanh252 https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567911683 -Oxygen combines with the methane & turns the sky blue
-Oxygen gas is now in the air and also combines with iron to form iron oxide]]> 2023-04-25 23:39:59 UTC https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567911683 400 - 290 Million Years Ago demelanh252 https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567919663 -Oxygen made about 20% of the atmosphere
-Great Forests & Swamps filled earth
- Plant/animal remains were buried underwater so CO2 levels decreased resulting in the cooling of the earth. ]]> 2023-04-25 23:49:59 UTC https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567919663 Citations demelanh252 https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567920997 Picture A: https://scitechdaily.com/how-earth-went-from-molten-hellscape-to-habitable-planet/
Picture B: https://en.wikipedia.org/wiki/Archean
Picture C: https://ourplnt.com/ancient-earth/
Picture D: https://www.nationalgeographic.com/science/article/carboniferous
Picture E: https://research.amnh.org/paleontology/perissodactyl/concepts/deep-time/eocene



]]> 2023-04-25 23:51:27 UTC https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567920997 290 Million Years Ago - Present demelanh252 https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567924322 -Earth was much warmer a couple million years ago
-During the Eocene Epoch palm trees grew as far north as Canada
-There was little to no ice caps/glaciers]]> 2023-04-25 23:55:28 UTC https://padlet.com/demelanh252/2zag2vzj3wqox189/wish/2567924322