Answer:
It is A
It is A because that in 2003 there was a bad earthquake and in the lesson it says there is frequent earthquakes.
Continental Rifts are called Continental Plate or Divergent Boundary or Convergent Boundary or Continental Drift.
Hoped I helped:D
The answer is volcanic mountains
The Great Divide is the physical region of North America which runs the greatest distance from North to South, it runs along the spine of the <span>mountains from Alaska to South America. It is also known as the Continental Divide of the Americas, going from the Behring Strait to the Strait of Magellen, and covers the Rocky Mountains to the Andes, it is known for being the highest elevation.</span>
To change the equation, you'd have to take the square root of both sides. When you do this, x^2 cancels out leaving you with x = sqrt(y)
If you need help on the other ones, all you have to do is solve for x by using either addition/subtraction or dividing/multiplying.