1) The world's largest ocean, the Pacific Ocean, covers an area of approximately 63 million square miles.

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 English alphabet has five vowels: A, E, I, O, and U.

4) The ocean covers about 71% of the Earth's surface and contains roughly 97% of the planet's water.