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21. What do police officers, construction workers, and school crossing guards have

in common?
A. They all must sometimes work near traffic.
B. They are all at a higher risk from impaired drivers.
C. Each is always protected by warning signs.
D. A and B

User Roi
by
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2 Answers

5 votes

Answer:D

Step-by-step explanation:

User Kbrown
by
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7 votes

Answer:

D

Step-by-step explanation:

It technically could be A, B, and C