Geographic information systems will increasingly find applications in

Geographic information systems will increasingly find applications in public health. The public health is focused on the health of populations  and on prevention. Geographic information and geographic information systems (GIS) can contribute to better management, operation and organization in the public health.

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.

Answergovernment control over all imports and exports;