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