How is a "smart mine" different from traditional types?

A "smart mine" is distinguished from traditional types primarily by its incorporation of advanced technology, which enhances activation safety and target selection. This technology allows for more precise control over when and how the mine is activated, reducing the risk of accidental detonation and potentially increasing its effectiveness in combat situations.

Unlike traditional mines, which may indiscriminately detonate upon activation, smart mines are equipped with features like advanced sensors or programmable settings that allow them to differentiate between legitimate targets and non-combatants. This capability significantly contributes to operational safety and aids in minimizing civilian casualties, making smart mines a more sophisticated and responsible option in modern warfare.

The other options, while they may concern various innovations or materials, do not capture the essence of what characterizes smart mines. For example, long-range impact capabilities may not be a defining feature of smart mines, nor is being built from biodegradable materials necessarily a characteristic of smart technology in munitions. Additionally, the operation solely on renewable energy sources does not pertain to the core technology that defines the functionality and safety enhancements of smart mines.