A student researching the metric system has taken the following notes:

• The metric system was developed in France during the 1790s • It is based on powers of ten for easy conversion • All but three countries worldwide use the metric system • The US, Myanmar, and Liberia are the exceptions • Scientific communities worldwide use the metric system exclusively

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The student wants to explain why the metric system is globally preferred. Which choice most effectively uses relevant information from the notes?

A

The metric system was developed in France during the 1790s.

B

Based on powers of ten for easy conversion, the metric system is used by all but three countries and exclusively by scientists worldwide.

C

The United States, Myanmar, and Liberia are the only countries not officially using the metric system.

D

All scientific communities worldwide use the metric system exclusively for research.

Correct Answer: B

Choice B. Easy conversion (powers of ten) and near-universal adoption explain preference.