The answer is: [B]: Farmers settled in the fertile plains.
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This refers to a "sense of place" ; or the theme of "place" in geography.
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The phrase, "fertile plains"; along with the fact that this was the place in which "farmers settles"; describes particular aspects, features, characteristics of place.
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Note: The "5 (five) themes of geography" are: movement, region,
human-environment interactions, location (both absolute and relative); and place. One mnemonic to remember this is: "MR. HELP".
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Answer choice "A" is incorrect—since it is an example of location—specifically, 'absolute location' .
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Answer choice "C" is incorrect—since it is an example of location—specifically, 'relative location' .
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Answer choice: "D" is incorrect— this answer is vague ("15 minutes?" by means of what type of movement/transportation? Using what route?" Even with details provided, the answer would not be "place" — but likely location (specifically, relative location; or even movement).
