Score:
you're in the process of splitting up your data into two categories, archaeological remains and written records. what step of the historical method are you on?
synthesis
analysis
interpretation
classification

the step of the historical method in which you're currently on is : Classification The historical classification refer to a process, when historians splitting up the data and grouping various historical topics into different categories, such as by time period, by region , by social condition, etc

What biome? i can just which

Afine-grained igneous rock forms as a result of slow cooling.