Answer:
the answer is A because when people learned how to grow crops they can make agriculture
Answer:
The Hawthorne Effect
Explanation:
The Hawthorne effect (also referred to as the observer effect) explains that individuals modify an aspect of their behavior in response to their knowledge of being observed. In this study students changed their eating place during the observation period.
Answer:
People were forced to live a nomadic lifestyle due to the rocky terrain and deserts.
Explanation:
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Heredity means <span>the passing on of physical or mental characteristics genetically from one generation to another so when it works with the environment like a tree reproducing if there was no heredity there would be one tree of that kind.</span>
