Question

which of the following is true?
select one:
a. a green background is used for fire protection.
b. a black background is used for general information signs.
c. an yellow background is used for a warning sign.
d. an orange background indicates unsafe practices.
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Explanation:

• Green background is used for safety and fire protection signs.
• Black background is used for informational signs.
• Yellow background is used for warning signs.
• Orange background is used for construction and maintenance signs.

Answer:

a. A green background is used for fire protection.