ARTEFACTOS QUE MEJORARIAN EL MEDIO AMBIENTE.

https://www.canva.com/design/DAEiJJxMSvY/share/preview?token=vm4kTKlMd6Z04QQNA-UwdQ&role=EDITOR&utm_content=DAEiJJxMSvY&utm_campaign=designshare&utm_medium=link&utm_source=sharebutton 

Diapositivas:
https://www.canva.com/design/DAEiJIxq_4A/share/preview?token=c_0kReRHNcXXdz9dLJWXoA&role=EDITOR&utm_content=DAEiJIxq_4A&utm_campaign=designshare&utm_medium=link&utm_source=sharebutton