Sand dunes are formed by wind.
Explanation: Dunes form when wind blows sand into a sheltered area behind an obstacle.
the answer is C. pardoned Richard Nixon for any crimes he may have committed in office
Answer:
Zhou dynasty ( C )
Explanation:
The Zhou dynasty which was the longest serving dynasty ruled from 1045 to 256 B.C.E the dynasty ruled of china and introduced feudalism to keep the people of China together and stable.
In feudalism the king gives out land to the nobles also known as lords in exchange for soldiers i.e the nobles provide soldiers to fight on behalf of the king in times of war in exchange of land given to them by the king.
In feudalism the serfs that is common people where allowed to hold lands and farm on it and also stay on it in return they will pay homage/give returns of their labor to the lords of the land in exchange for military protection as well.