Estude para a prova com os seguintes videos
ciclo da água
www.youtube.com/watch?v=mTDoKjldlqQ
www.youtube.com/watch?v=vW5-xrV3Bq4
Aquifero guarani
www.youtube.com/watch?v=-QFDgyFmeC4
El Niño
www.youtube.com/watch?v=oF4naKtTo6o
Correntes maritimas
www.youtube.com/watch?v=8fy1R_az99g
www.youtube.com/watch?v=gaGdSwUF2CU