The correct answer is: A. Indus Valley
The Indus Valley is a river valley in Ladakh, India. It is located in the western Himalayas, and is home to a number of archaeological sites. The Indus Valley was chosen by archaeologists for surveys because it is a rich source of information about the history of the region.
The Indus Valley is a major tributary of the Indus River. It is about 500 kilometers long, and flows from the Zanskar Mountains in the north to the Indus River in the south. The Indus Valley is a fertile valley, and is home to a number of villages and towns.
The Indus Valley was first inhabited by humans in the Neolithic period. The first major civilization to develop in the Indus Valley was the Indus Valley Civilization. The Indus Valley Civilization was a Bronze Age civilization that flourished from about 2600 to 1900 BCE. The Indus Valley Civilization was one of the earliest urban civilizations in the world.
The Indus Valley Civilization was a complex society with a well-developed system of agriculture, trade, and writing. The Indus Valley Civilization was also known for its art and architecture.
The Indus Valley Civilization declined in the 2nd millennium BCE. The decline of the Indus Valley Civilization is not fully understood, but it is thought to be due to a combination of factors, including climate change, warfare, and internal strife.
The Indus Valley is a significant archaeological site because it is a rich source of information about the history of the region. The Indus Valley has been the site of a number of archaeological surveys, and has yielded a wealth of artifacts, including pottery, tools, and jewelry. The Indus Valley is also home to a number of ancient ruins, including the ruins of the Indus Valley Civilization.
The Indus Valley is a fascinating place to visit, and is a great place to learn about the history of the region.