The answer is a political system
Earthquakes and tsunamis are caused by pressure building up in the Earth's crust along the intersection of tectonic plates, while tornadoes are created by updrafts and downdrafts interacting with wind.
It must be at least 4 bricks high because 6*4=24
2 bricks in each of the 4 levels of bricks (12*2= 24) (24*1=24)
4 bricks up*2 bricks wide= 8 bricks
the first one is Equator and the second one is tundra should be the right answer sorry if it's wrong