viernes, 13 de mayo de 2016

Natural Hazards

In the E.M class we watch a video of different Natural Hazards.

Continental Drift theory:

One billions years ago all the countries were together in only one piece of land called Pangea, then Pangea devided in two parts, the part that was in the North was called Laurasia and the continents that formed it were Norht America and Asia. In the other part the was in the South was called Gonwanna, the countries that formed it were  South America, Africa and  Antartic.


Brasil and Chile were together and now they are separated, the same as California and the desert, Chile and New York.


Convention Current


It produce the volcano erruptions, they move and when it found a place to go out the preasure push all the magma out. 


What force this volcanic mountain?
 - destructive plate zones
- convergent boundaries 

Tsunamies: first the water go backwards in a rapidly way and then it come fowards with a lot of strength, if the buildings are not prepared they can fall down. In the tsunamies many people die.