(i) a. igneous
(ii) b. core
(iii) b. minerals
(iv.) a. sedimentary rock
(v.) b. crust
The main reason for the wall's construction had always been defense. Since China's first dynasty, the empire faced a near-constant threat of attack from the nomadic tribes to the north. This included those famed Mongols as well as lesser-known groups like the Xiongnu and the Göktürks.
Answer:
Hyderabad State was founded by Mir Qamar-ud-din Khan who was the governor of Deccan under the Mughals from 1713 to 1721. In 1724, he resumed rule under the title of Asaf Jah (granted by Mughal Emperor Muhammad Shah)
Answer:
This statement is true.
Explanation: The Gulf of Mexico is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent.