Answer:
The International System of Units (SI) is the measurement system that measures objects in millimeters, centimeters, and meters.
Step-by-step explanation:
The SI is the modern form of the metric system and is widely used around the world for scientific, engineering, and everyday measurements. It provides a decimal-based system of measurement, making it easy to convert between units within the system. The millimeter, centimeter, and meter are all units of length within the SI system. Therefore, the correct answer is the International System of Units.