1) The word "telephone" contains five vowels: E, E, O, E, and E.

2) A single bolt of lightning can heat the surrounding air to temperatures five times hotter than the surface of the sun.

3) Democracy is a system of government in which power is vested in the people, who exercise it through elected representatives. It allows for political participation, freedom of speech, and protection of individual rights and liberties.

4) Improved meteorological forecasting and early warning systems have significantly contributed to better preparedness and mitigation efforts for cyclones, reducing the loss of life and property.