Answer:
The words that describe a historian are:
Investigator
Communicator
Analyzer
Writer
Story Collector
Explanation:
A historian is a person who specializes in the past, based on research, study, analysis, interpretation and documentation of history.
A historian has the function of investigating, interpreting, documenting and communicating the most important events of the past life.
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Fertile soil, favorable climate, extremely cheap labor, and rivers used for transportation
due to over population there is pressure on our natural resources, to full fill the demand of growing population more industries, vehicles, machines are required, that along with the required Target also emits harmful gases, polluted liquids, chemicals etc., which causes imbalance in nature like green house effect, change in rain, snow patterns ,etc.
Stromatolites are the most common precambrian fossil