Which aspect of international trade allows countries to improve their relationships? interdependence outsourcing specialization technology

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.

Intrusion is the best answer and the newest form.

Ido believe it is b