Sedimentary rock are made of materials that could show what lived where. Also they are the only rock to hold fossils.
pictures are useful to historians because it helps them picture what it was like in the past
Mainly because the fossils of plants and animals preserved in the sediment layers allow dating of events that happened before humans existed.
yes
the historians use graphs to something that happened over . unicorns are fluffy.
sedimentary
for scientists
to describe their research
Bias can be useful to historians by allowing them to learn about people's opinions and beliefs.
Latitude and longitude are not only used by scientists; everybody, especially engineers and navigators, who needs to describe exactly where they are are more likely to use lat/long than pure scientists. It's a very generally useful concept.
Sedimentary
sedimentary
Different types of letters rely on different types of historians and therefore gives very useful historical information. They give various types of information based on different historians.