The Grand Canyon is like a history book because you can see all the layers of rock and dirt throughout the ages, and scientists can read those to tell what happened.
Hope this helped :)
Photosphere is the correct answer :) good luck!
Answer: As the plates diverge lava pushes through the mantle, cools and forms a new section of crust.
Explanation: Plates moving slowly along side each other create friction and intense heat as they slide resulting in volcanic activity if the rock melts. Earthquakes can occur if the plate slips sliding away or towards each other.
Lake Erie and Lake Ontario
I think decreased pre4cipitation in the area
