Pirate streams
a. consist of a series of intertwined channels that are overloaded with sediment
b. have flowing water either episodically or during only a portion of the year
c. have a channel that is highly sinuous (curvy)
d. form when headward erosion causes one stream to intersect another

D. form when headward erosion causes one stream to intersect another

Explanation:

Pirate streams -

It is the condition, when the drainage system of a river is directed to flow to to the nearby stream , rather than to its usual flow, is referred to as pirate streams.

This type of condition can originate by several reasons , like -

1. Erosion

2. Tectonic moments

3. natural calamity, etc.

Hence, from the given options , the correct statement regarding pirate streams is D.

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