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What type of boundary must be visible?

A. Emotional
B. Tactile
C. Physical
D. Olfactory

User Pm Dubey
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2 Answers

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A. Emotional
B. Tactile
C. Physical
D. Olfactory
User Honeymoon
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Answer:

C. Physical (APEX)

Step-by-step explanation:

You can see things that are physically in front of you.

User Fsaravia
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