What causes metamorphic rock to become sedimentary rock

Variety of living organisms; includes genetic, species, and ecological types.

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing

Are the layers of rock above and below the coal older or younger?