La respuesta corresta es la C
Answer:
Contour ploughing is the farming practice of plowing and/or planting across a slope following its elevation contour lines. These contour lines create a water break which reduces the formation of rills and gullies during times of heavy water run-off; which is a major cause of soil erosion.
Explanation:
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At the Battle of Bunker Hill, the colonists used the physical geography of the area to their advantage by firing on the British from a relatively safe position on the "high ground" of the battlefield.