What can be done to protect against Corrosion?

Methods of Stopping & Preventing Metal Corrosion
•Turn to non-corrosive metals such as aluminum and stainless steel.
•Keep the area around the metal surface dry.
•Use drying agents and moisture barrier products.
•Make sure underground piping is laid in a layer of backfill, such as limestone.

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.

answer is. c