Select the word from the list that best fits the definition process by which new rock is made from old rock

The correct answer would be: rock cycle

Explanation taken from user Bistai

"The rock cycle is a recycling process by which igneous, metamorphic, and sedimentary rocks are produced, converted from one form to another and destroyed. The rock cycle is a continuous process that has been occurring throughout the history of the earth. The major processes of the rock cycle include sedimentation, crystallization, metamorphism and erosion."

this protocol describes a detailed procedure for intracellular flow cytometry staining.

"d.) carbon dioxide and hydrogen sulfide"