I'm not sure but I think it's wind and water, or monsoons.
The 'Vally of the Kings' is not built, nor is in Thebes. The 'Vally of the Kings' is a natural valley gut into an escarpment bordering the Nile Valley. This natural valley was used as the site for burial of royal mummies by the ancient Egyptians. The ancient city of 'Thebes' is in Greece.
The occurrence of natural barriers, during the Harappan period would have been an annual inundation of the sites as the natural reservoir engulfing them grew with run-off from Himalayas.
by helping their crops
irrigation
The chinampas were created by the Aztecs, not the Mayas. This agricultural technique involved constructing floating gardens in the shallow lake beds of the Valley of Mexico, allowing them to maximize crop production. The Aztecs used chinampas to support their large population and sustain their empire. While the Mayas had their own agricultural practices, they did not employ chinampas.
H. S. Sharma has written: 'The physiography of the Lower Chambal Valley and its agricultural development' -- subject(s): Agriculture, Geomorphology
The natural resources found in the Ridge and Valley region include forests, fertile agricultural land, and mineral deposits such as limestone, iron, and coal. Additionally, rivers and streams in this region provide water resources for irrigation and hydroelectric power.
Cotton is the most important agricultural crop grown in the Rio Grand Valley.
Egypt's position along a river valley gave it sufficient water to irrigate crops and therefore establish cities.
Linen.
California's central valley natural features
people of indus valley know for cultural and agricultural activities Other:
The five agricultural hearths are believed to be the Fertile Crescent in the Middle East, the Nile River Valley in Egypt, the Indus River Valley in South Asia, the Yellow River Valley in China, and Mesoamerica in Mexico and Central America. These regions were where agriculture independently developed and spread to other parts of the world.
The biggest valley in the Philippines is the Cagayan Valley, also known as the Cagayan River Valley. It is located in the northeastern part of Luzon and is known for its vast agricultural lands, river system, and mountainous terrain. The valley is an important agricultural region producing crops such as rice, corn, and tobacco.
The first agricultural settlements were located in ancient Mesopotamia, which is in modern-day Iraq. Other early agricultural settlements also emerged independently in places like the Nile River Valley in Egypt, the Indus River Valley in South Asia, and the Yangtze River Valley in China.
how did the Indus River valley contribute to the development of early cilivization
Narmada Valley Development Authority was created on 1985-08-09.