Matching Pairs India Geography terms MatchingOnline version Match the term to the definition or how the landform effected India by Cathy Pittman 1 Large, fertile area for agriculture and development in northern India. 2 Protects the Indus Valley from invasions. Can also cause isolation. 3 Primary freshwater source. Carried water for irrigation and silt to produce rich farmland from the Himalayas to the Arabian Sea. 4 Triangle shaped, unfertile area in southern India. Cotton is the main crop. 5 Important Link for trade; joins the Brahmaputra River as it flows into the Bay of Bengal. 6 Made farming difficult and only possible with irrigation. 7 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. 8 India is separated from the rest of the continent, allowing the civilization to develop its own culture. Indus River Subcontinent Ganges River Thar Desert Monsoons Indo-Gangetic Plain Deccan Plateau Himalaya Mountains