Which process is primarily responsible for transforming existing rocks into sedimentary rocks?

The correct answer to the question "Which process is primarily responsible for transforming existing rocks into sedimentary rocks?" is Option C: Weathering, erosion, deposition, and compaction.

The other options — A) Melting and subsequent cooling of magma, B) Exposure to intense heat and pressure deep within Earth, D) Volcanic eruptions and the solidification of lava — are incorrect for this GED Exam Prep question. As explained above: Sedimentary rocks form from the accumulation of sediments, which are produced by the weathering and erosion of pre-existing rocks. These sediments are then transported, deposited, and eventually comp…