Sedimentary rocks are also called stratified rocks due to the presence of

1. Sediments in layers
2. Fossils
3. Deposited material
4. Fine silt and clay

Organically formed sedimentary rocks consists mainly of:

1. Remains of marine animals
2. Precipitation of mineral matter
3. Fragments of waste
4. Deposited material

Limestone is changed to marble due to:

1. Change in weather
2. Metamorphosis
3. Weathering
4. Hydraulic action

A layer of unconsolidated materials at the earth’s surface forming the basis of agriculture.

1. Soil
2. Humus
3. Rocks
4. Regolith