They are formed in layers and derived from old rocks and the remains of dead organic materials. This description refers to
Answer Details
The description given refers to sedimentary rocks. Sedimentary rocks are formed by the accumulation of sediments over time, which may be derived from the erosion of pre-existing rocks or the remains of dead organisms. These sediments are deposited in layers and then compacted and cemented together to form rock. Examples of sedimentary rocks include sandstone, limestone, and shale.