Relier Pairs India Geography terms MatchingVersion en ligne Match the term to the definition or how the landform effected India par Cathy Pittman 1 Made farming difficult and only possible with irrigation. 2 Triangle shaped, unfertile area in southern India. Cotton is the main crop. 3 India is separated from the rest of the continent, allowing the civilization to develop its own culture. 4 Primary freshwater source. Carried water for irrigation and silt to produce rich farmland from the Himalayas to the Arabian Sea. 5 Protects the Indus Valley from invasions. Can also cause isolation. 6 Important Link for trade; joins the Brahmaputra River as it flows into the Bay of Bengal. 7 Large, fertile area for agriculture and development in northern India. 8 Strong winds that blow in opposite directions depending if it is summer or winter. Summer storms bring much needed rain that can cause devastating flooding. Indo-Gangetic Plain Deccan Plateau Himalaya Mountains Subcontinent Ganges River Monsoons Indus River Thar Desert