What geographic feature can be found in the interior of Panama?lakes and streamssavannahs volcanoesrugged mountains

In the interior of Panama, one of the most significant geographic features is rugged mountains. The country is characterized by a mountainous terrain, with several mountain ranges running through its interior. The most notable of these is the Cordillera Central, which is a series of volcanic mountains that form the backbone of Panama.

These mountains are not just significant for their elevation; they also play a crucial role in the ecology and climate of the region. The rugged terrain contributes to the diverse ecosystems found in Panama, which include tropical rainforests and cloud forests. Additionally, the mountains serve as a barrier that influences weather patterns, leading to varying climates and habitats on either side of the range.

While there are other geographic features present in Panama, such as lakes, rivers, and some volcanic activity, the rugged mountains are a defining characteristic of the country's interior landscape. Thus, among the options provided, "rugged mountains" is the accurate answer.