Extinction of living things

We have some works that our generous classmates have shared with us.

* Extinction of dinosaurs and mammoths
   by María 5B
  14/01/2020

* Mammoth extinction
   by Marta
   22/01/2020

* Extinction of dinosaurs and mammoths
   by Silvia (Powerpoint presentation)
   22/01/2020

* Why dinosaurs and mammoths became extinct
   by Carina (Powerpoint presentation)
   22/01/2020

* Diplodocus
   by Nora
   22/01/2020

Sorry if I don't publish more works. I only have twenty-four hours every day.