What is the chemical symbol for lead?

The Battle of Hastings saw William the Conqueror defeat King Harold II, bringing Norman rule and cultural transformation to England.

Mitochondria generate energy in the form of ATP through cellular respiration, hence called the cell’s powerhouse.

The Parthenon, built in the 5th century BCE, was a temple honoring Athena, the patron goddess of Athens.

The U.S. Supreme Court is the highest federal court, with final authority on constitutional and federal law interpretation.

Ceylon, under colonial rule, became Sri Lanka in 1972, reflecting its post-independence identity. This is a well-documented historical or scientific.