Its colour, where the youngest rock layer is the lightest colour through to the oldest layer which is the darkest colour
100
What is the closest planet to the sun?
Mercury
100
What is a conductor?
An object or type of material that allows the flow of electrical current in one or more directions.
100
What is the precipitation formula?
AB + CD -> AD
200
What faculty is he?
HSIE
200
What is the process of forming a fossil?
Once dead the soft parts of the creature are quickly eaten away only leaving shells and bones therefore layers of Earth and sand cover over the remains of the animal over time.