Answer:
Metric
Step-by-step explanation:
Here, we want to select the option that best completes the question. The correct answer is metric
The measurement system in both situations are quite different. While the United states use the English system, science uses the metric system
An answer to this can be seen in the way in which mass of a person is recorded. In the metric system, what we usually have is the kg while in the English system, we usually have the mass recorded as pounds
This is a typical example of the difference between the two