The answer is B, observe the natural world.
C would not be part of the scientific process, it would be apart from t.
<span>They make it obsolete because perishable items now can be grown farther away from the city center.
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The correct answer is (a.) one plate descends beneath another. Trenches form at sites where one plate descends beneath another. A trench is more like an excavation in the ground that is generally deeper than it is wide. It is generally used in battle formation, in which the front line is made of trenches.
Answer:
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Explanation:
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Subsistence agriculture occurs side by side with commercial farming. Many crops such as wheat, barley and vegetables are raised for domestic consumption, while others like citrus fruits, olives, and grapes are mainly for export. The Mediterranean lands are also known as 'orchard lands of the world'.