This capital city is about 400 miles east of algiers, algeria

The appropriate response is Tunis. It is both the capital and the biggest city of Tunisia. The more noteworthy metropolitan zone of Tunis regularly alluded to as Grand Tunis, has somewhere in the range of 2,700,000 occupants.

I hope the answer will help you. 

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.