Any written document, otherwise that would be an source and be a part of history.
Historians rely on the work of archaeologists and anthropologists and their study of prehistory.
they use artifacts and fossils from the past
By finding artifacts
carbon 14
Prehistory is that very long period of human existence where no written historical accounts were made.
they think about clues they got when they find artifact's from prehistory that how historians investigate the past.
We study that in a subject called Geology.
This is because history is the study of the written past, while prehistory is the study of the unwritten past. Archaeologists find their answers from material which is found in the ground, and anthropologists find their answers by trying to match the human behaviour of some societies with the evidence that the archaeologists found.
Historians study the past by studying the previous recorded events of the past activities. They use both the scientific and traditional methods to gather such information which they then use to compile their documentary evidence.
Paleoanthropology
they study the history of our world and the continents such as america
They would most likely study Landforms and their locations, since geographers study the Earth.the type of evidence that an archaeologist would find most useful is past. To learn about prehistory, historians would likely study all of the following except.