Understanding historical dating ifans dating
We will then present the methods by which we are able to determine evolution of life forms over time through examining the The geological timescale is a 'calendar' of events in the Earth's history.
It shows major geological and climactic events, and how this affected the emergence and disappearance of species over time.
Instructions Draw a timescale that stretches from `0 years ago' to 4,6 billion years ago.
Depict the history of life on this timescale, from the earliest life forms to present day existence.
So it includes bridges, sewers, power stations, mills etc. Importantly the subject focuses on how these objects were constructed.