Answer:
The heat from the core of the Earth can cause the mantle layer to move. This causes the tectonic plates to move.
I think the answer is Strasbourg. (France)
As an Australian myself I can safely inform you that it is definitely Australia, despite the common misconception that the capital of Australia is Sydney or Melbourne.
You should learn oceanology and also geography,biology.
A supercell is a thunderstorm with a deep, persistently rotating updraft. Supercells are the least common form of thunderstorm yet they are potentially the most violent. Large hail of greater than baseball size, strong damaging winds, and tornadoes can accompany these storms
Hope this helped