Discussion
The valleys which drain in the same direction as the original consequent drainage but at the lower topographic levels and have developed with respect to new base levels are known as
Answer: A
Valleys that drain in the same direction as the original consequent drainage, but at a lower level and adjusted to new base levels, are resequent streams. Obsequent streams flow in the opposite direction to the consequent ones, down the face of a scarp. Insequent streams have no relation to the structure or the original slope and run in any direction, and subsequent streams develop along belts of weak rock at right angles to the consequents. Only resequent matches the description, so the answer is A.
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