Answer:
Mechanized agricultural methods have improved agricultural productivity.
Participation in the global economy has increased urbanization
Settlement areas have increased due to improved water storage and delivery systems
Explanation:
1884 and 1914
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I believe the correct answer from the choices listed above is option D. The difference between a seismograph and seismogram is that a seismograph is the instrument that detects and records volcanic activity, while a seismogram is the written record of that activity. Hope this answers the question.
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