How do environmental changes impact the effectiveness of mines in warfare?

Environmental changes can significantly influence various aspects of mine effectiveness in warfare. One key impact is how changes such as weather conditions, terrain, and vegetation can affect both the visibility of mines and their operational performance. For instance, heavy rain or floods may obscure mines or displace them from their original positions, making them harder to detect. Similarly, changes in vegetation can either conceal mines better or expose them, which affects the likelihood of friendly forces being able to spot them.

Moreover, environmental factors like temperature and humidity can impact the materials used in mines, potentially altering their performance and durability. These factors collectively mean that environmental changes affect how effective mines are in fulfilling their intended purpose of causing disruption and harm to the enemy while also determining their visibility for detection by friendly forces. Therefore, the comprehensive impact of these changes on both effectiveness and visibility makes this option the most accurate.