Continental Drift Spreading

Continental drift-Explain it.


Identify 4 evidences the helped prove the continents where moving and explain each one.

1.Mesosaurus: lived on both continents when they where joined 
2.glossopteris: its been found in Africa, Australia, India, South America 
3.climate clues: South America, Africa, India, and Australia 
4.rock clues:  Greenland and Western Europe 


Seafloor Spreading-Explain it.

Identify 2 evidences that helped prove the sea floor was growing and explain each one.

1.divergent boundaries 

2.magnetic alignment of rocks in alternating strips