In geology, <u>index fossils</u> are very important in allowing scientists to study the climate, environment, and diets of those fossils, and fossils from similar time periods.
Answer: They both give clues about life in the past.
the answer is aggregate. hope this this helps, have a great day!
The main thing which the feudal system was based on was land ownership.
<h3>What is Feudalism?</h3>
This refers to the social system that was mainly used in medieval Europe where a lord gave land to his vassals as a reward,
Hence, we can see that your question is incomplete so a general overview of the feudal system was given to help you get a better understanding of the concept.
Read more about feudalism here:
brainly.com/question/4141227
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