the answer is a . " the crisp and refreshing air , the brilliant blue sky , and the snow all added up to a picturesque winter day .
It's B because Miss Sullivan wouldn't give up on Helen. She taught her words by letting her feel the objects and then spelling them in her hands.
Answer:
Pavlov's Dogs and Discovery of Classical Conditioning. Pavlov's dog experiments played a critical role in the discovery of one of the most important concepts in psychology. While it was originally discovered quite by accident, these famous experiments led to the discovery of classical conditioning.
Explanation:
The answer is a threat of violence
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