One way that sediment is changed to sedimentary rock is by:

a. cementation, a process that occurs in nature but that is unlike anything we humans can observe in the human-made world.

b. cementation, a process that occurs only when humans glue things together.

c. cementation, a process that occurs in nature, and that is similar to processes that can occur in plumbing and other things humans make. cementation, a process that occurs in nature, and that is similar to processes that can occur in plumbing and other things humans make.

The answer is; A

In natural cementation of sedimentary rocks. When the sediments settle down, the dissolved mineral ions in the water precipitate and act as a binding agent in between the sediment grains. This occurs over time (millions of years) allow the whole sediment layers to bind into a rock in a process referred to as lithification.

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