I believe the answer is earthquakes.
Answer:
grid plan
Explanation:
In simple words, The grid plan, also known as the grid street design or stadium design, is a sort of city layout in which routes travel at perpendicular to one another to create a grid. The cost of infrastructure is often higher for regular grid layouts than for layouts with disconnected streets.
These plans are highly evident as they started right from the ancient france and Spain.
Answer:
Explanation:
Perimeter: perimeter is measured by the length of the shape around. The area of the shape is mostly the exact amount of a two dimensional shape that it covers. The ratio of the perimeter to the area is just the perimeter divided by the area.
Pacific Plate slowly passes over a magma-generating hot spot within the mantle.
Hope this helps.