O2 levels
https://courses.lumenlearning.com/wm-biology2/chapter/the-cambrian-explosion/ (https://courses.lumenlearning.com/wm-biology2/chapter/the-cambrian-explosion/)
https://s3-us-west-2.amazonaws.com/courses-images/wp-content/uploads/sites/1223/2017/02/01212850/Figure_27_04_05f.jpg (https://s3-us-west-2.amazonaws.com/courses-images/wp-content/uploads/sites/1223/2017/02/01212850/Figure_27_04_05f.jpg) oxgen levels in time
Co2 levels
https://wattsupwiththat.com/2010/08/10/study-climate-460-mya-was-like-today-but-thought-to-have-co2-levels-20-times-as-high/ (https://wattsupwiththat.com/2010/08/10/study-climate-460-mya-was-like-today-but-thought-to-have-co2-levels-20-times-as-high/)
https://wattsupwiththat.com/wp-content/uploads/2010/08/odrovician_co2.jpg (https://wattsupwiththat.com/wp-content/uploads/2010/08/odrovician_co2.jpg)
https://www.mintpressnews.com/american-media-whitewashing-israels-massacre-gaza/242016/ (https://www.mintpressnews.com/american-media-whitewashing-israels-massacre-gaza/242016/)
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the list for today
http://krantvannederland.nl/discuss/list/2018/02072018.html (http://krantvannederland.nl/discuss/list/2018/02072018.html)