Blank 1: Hygiene
Blank 2: Vectors
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Answer: The automatic response to tensing your muscles after you hear the sound of the clanking the rollercoaster makes is an example of the phrase pavlov's dogs, which can refer to classical conditioning because it refers to the habit of automatic response to a stimulus.
Pain or discomfort in the stomach associated with difficulty in digesting food is called indigestion.
Answer:
Explanation:
all of these could be problem she could face but the most conman one is A