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Answer:The historian's primary source is evidence from the past
Explanation:
The historian's primary source is evidence from the past. A secondary source uses evidence from primary sources to try to figure out the past. The historian's dream is to find fresh evidence from the past and, from that evidence, to create a fresh interpretation of history.
It will help find an effect you sometimes over look.
and it can help you find out problems with your experiment.<span />
They do that as a form of survival mechanism.
Crickets could notify another organism's position if that organism are coming close to them.
In order to hide their position, crickets will stop the chirping so that organism wouldn't have any clue on the direction to the cricket's position.
Answer:
A government wherein citizens elect officials to represent their interests.
Explanation:
Representative democracy refers to a government wherein citizens elect officials to represent their interests.
Such a type of government allows citizens to voice their concerns and issues to the government through representatives chosen by them to serve in legislative bodies.
An example is the U.S. In the U.S., a president and members of Congress are elected by the citizens only.