Which unit is used to express distance in both scientific and daily contexts?

The meter is a universally accepted unit of distance that is widely used in both scientific disciplines and everyday life. It serves as the standard unit of measurement in the International System of Units (SI), which makes it foundational for scientific research and applications. In the context of day-to-day situations, meters are utilized in various activities, such as measuring height, distances in sports, and lengths in construction projects.

Further, the meter is part of a coherent system of measurements that includes smaller and larger units, such as centimeters and kilometers, making it versatile for different contexts. It allows for easy conversion and understanding in both scientific equations and practical applications. This dual use underscores why the meter is the correct choice when considering a unit for expressing distance in both scientific and daily contexts.