Contour lines form V shapes that point in which direction when rivers are present?

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Study for the Earth Science Standards of Learning Test. Use flashcards and multiple choice questions, with hints and explanations for each question. Prepare for your exam efficiently!

Multiple Choice

Contour lines form V shapes that point in which direction when rivers are present?

Explanation:
Contour lines show elevation, and in a river valley the land rises toward the ridges on either side. Where a river cuts through the valley, the contour lines bend into a V, and the tip of that V points toward higher ground—the upstream direction or toward the river’s source. Since the river flows from source to mouth (downstream), the V points opposite the flow. So the direction indicated by the V is upstream.

Contour lines show elevation, and in a river valley the land rises toward the ridges on either side. Where a river cuts through the valley, the contour lines bend into a V, and the tip of that V points toward higher ground—the upstream direction or toward the river’s source. Since the river flows from source to mouth (downstream), the V points opposite the flow. So the direction indicated by the V is upstream.

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