If pigeons are given grain when a 600 nm light is on the key, and no grain when a 580 nm light is on the key, the subjects during testing are likely to respond most to a key lighted with a _______ light.
A) 590 nm
B) 560 nm
C) 630 nm
D) 600 nm
E) 570 nm

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The Answer of If pigeons are given grain when a 600 nm light is on the key, and no grain when a 580 nm light is on the key, the subjects during testing are likely to respond most to a key lighted with a _______ light.
A) 590 nm
B) 560 nm
C) 630 nm
D) 600 nm
E) 570 nm

If Pigeons Are Given Grain When a 600 Nm Light