The mesosphere is the answer
Because a magnet with north and south with another magnet with north and south can pull or push each other. same way with continental drift.
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.
By trading and Conquering
<span>A tsunami can occur when there is vertical movement at a fault under the ocean floor.</span>