The document describes various landforms found in the Philippines. It discusses mountains, volcanoes, plains, hills, plateaus, mountain ranges, peninsulas, and valleys. Mountains rise high above the surrounding land and can be steep and difficult to climb. Volcanoes have openings that erupt hot rocks and lava. Plains are large, flat, low-lying areas where many towns and cities are located. Hills are smaller and lower than mountains. Plateaus are flat areas at the top of mountains. Mountain ranges are chains of mountains separated by passes or valleys. Peninsulas jut out from land into water on three sides. Valleys are low-lying areas between hills or mountains. Examples of each landform type in