Process by which new rock is made from old rock; rock cycle
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.
The answer to your question is a
Because after all if the natural things die we will too assuming most people depend on nature's vegetation to live
Hi!The Aztecs was the last american indian civilization in mexico.