Any change in 4. All living things are closely related to their one part of an environment causes a​

Since wxyz is 4, halfof that would be 2.

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 correct answer is:   [b]:   "distortion" .