When a severe storm strikes the floods sometimes last longer. Why?

Because floods can destroy a large mass of land and it’s a huge body of water so it could take a while to slow down and it can cause a hurricane too no cap

Can you show the map?

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.