The answer is A. Transported Soil
unconsolidated deposits means that the soil is not gathered and formed a Solid Rock anymore ( mos soils is a from of transported soil
which mean that it has been hit by the force of erosion and transported by the wind
Because the seismic waves in the layers are strengthen when in different materials, like denser layers. So scientists can tell there are different types of layers.
Coral reefs provide an important ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income for millions of people. Coral reefs teem with diverse life. Thousands of species can be found living on one reef.
Answer:
The Horizon...if it is a riddle the answer is the horizon, if it's not a riddle, then i'm totally lost lol