Answer : D
Explanation
World Water Day is held annually on 22 March.
World Water Day is held annually on 22 March.
Magna Carta, which means 'The Great Charter', is one of the most important documents in history as it established the principle that everyone is subject to the law, even the king, and guarantees the rights of individuals, the right to justice and the right to a fair trial.
The Qin dynasty was the first dynasty of Imperial China.