1.

A person rattles the box of dog's biscuits before giving the biscuit to dog. As the person rattles the box the dog begins to salivate. Thus rattling of box is_____ and the salivation of dog is a kind of _______.

A. CS; CR
B. CS; UCR
C. UCS; CR
D. UCS; UCR
Answer» B. CS; UCR


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