what city is astride a flat line
San Francisco
How do deep trenches on the ocean floor happen
It happens where the oceanic plate is being forced down
How was San Francisco first destroyed?
It was destroyed by an earthquake in 1906 and hit another big one in 1991. They can have another at any point
How are mountains formed at the the coat
When the continental crust crumples and folds it forms mountains
What features does the west coast of south america have
Volcanoes, Earthquakes, an oceanic trench, Mountains
What did San Francisco build in earthquake zones
earthquake proof buildings which are designed to withstand a bit of shaking
Why does Iceland have hot underground volcanoes
The mid atlantic runs the whole length of atlantic and actually cuts through the middle of Iceland