1) The word "school" contains two vowels: O and O.

2) The concept of political stability refers to the ability of a government or political system to maintain continuity, order, and effective governance over a prolonged period, promoting social cohesion and economic development.

3) The Alps, located in Europe, are a popular destination for skiing, mountaineering, and hiking.

4) The sunflower is not a single flower but a cluster of small flowers arranged in a spiral pattern.