K: What do you know about mass extinctions (and dinosaurs) by Alpha Anders https://padlet.com/skirballspaceodyssey/2xf0xj2zg944 Share any fact you know about mass extinctions. Share what happens, the effects, and any other details. If you know cool and interesting facts about dinosaurs feel free to share. en-us 2015-09-30 08:21:22 UTC 2015-09-30 08:21:23 UTC hello@padlet.com Jeydy https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874793 i know

]]> 2015-08-17 21:17:07 UTC https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874793 abel https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874806 2015-08-17 20:56:22 UTC https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874806 Ashley Ramirez https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874823 The largest mass extinction took place about 251 million years ago. The continents joined together to form a

]]> 2015-08-17 16:13:13 UTC https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874823 Roger Aviles https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874834 2015-08-17 16:09:43 UTC https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874834 Emannie perry https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874847 i know that they are ancient and when they were alive they were some great dinosaurs

]]> 2015-08-17 16:08:20 UTC https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874847 Hadie Morado https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874858 I know that

]]> 2015-08-17 16:07:58 UTC https://padlet.com/skirballspaceodyssey/2xf0xj2zg944/wish/72874858