1) The average person spends around six months of their lifetime waiting for red lights to turn green.

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 Appalachian Mountains, running along the eastern coast of the United States, are one of the oldest mountain ranges in the world.

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