What was the result of vietnam’s civil war in 1975?

It was a direct result of the First Indochina War (1946–1954) between France, which claimed Vietnam as a colony, and the communist forces then known as Viet Minh.

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.

The answer is winds.