Answer:
b. a darkroom technique to create surreal images, which is made by re-exposing a partially developed print to light during the processing.
Explanation:
In this context, the Sabattier effect means the darkroom technique that is used to create surreal images.
The effect create such image by re-exposing a partially developed print to light during the processing.
Hence, the Sabattier effect means the darkroom technique that is used to create surreal images.
Therefore, the Option B is correct.
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