Land changes over time

This task is about rock layers and fossils.
We can learn a lot about changes in the Earth's surface by looking at a cutting through the surface layers.
Here is a diagram of a cutting through the side of a hill.
fossil-layers.png

Question

a)  Which layer in the diagram best fits each description below?
     i)  Formed on low-lying land that was covered with dense forests 

    • A - Fossilised shells in sandstone

    • B - Limestone

    • C - Fossilised reptile bones

    • D - Coal

Question

     Which layer in the diagram best fits each description below?

     ii) Formed from finely crushed shells and bones of sea creatures
 

    • A - Fossilised shells in sandstone

    • B - Limestone

    • C - Fossilised reptile bones

    • D - Coal

Question

b)  Which is the youngest layer?

    • A - Fossilised shells in sandstone

    • B - Limestone

    • C - Fossilised reptile bones

    • D - Coal

Question 2Change answer

c)  Why is layer B not eroded (worn away) as much as layer A?

Question

d)  Which two layers were formed under the sea? (Choose two)

    • A - Fossilised shells in sandstone

    • B - Limestone

    • C - Fossilised reptile bones

    • D - Coal

Question Change answer

e)  Use the diagram to place the events listed below in order from oldest to most recent.
  • Change in sea level resulting in deep sea
  • Dense forest on low-lying land
  • Sea becoming shallow
  • Dinosaurs roaming the land