Answer :
Final answer:
c) School zone
Fluorescent yellow-green signs are used primarily for school zone indications, designed to alert drivers to the presence of children and necessitate cautious driving.
Explanation:
The question asks: What do fluorescent yellow green signs denote? Fluorescent yellow-green signs are specifically designed to be highly visible in various light conditions, making them ideal for areas where attention should be immediately drawn. This color scheme is predominantly used for school zone signage. These signs are intended to alert drivers to reduce their speed and exercise caution due to the presence of children and high pedestrian activity in these areas. Thus, the correct answer is c) School zone.