Examlex
The prefix for a ketone is _______________ .
Barrier
An obstacle that prevents progress or access, either physically or metaphorically.
After-school Activities
Organized programs or clubs that students can participate in outside of the regular school hours, which may include sports, arts, and academic clubs.
Transportation
The process or system of moving people or goods from one place to another.
Safety
The state of being safeguarded against or not susceptible to harm, danger, or damage.
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