Circle the odd one out
1. Rivers, Glaciers, Winds, Plains
2. Mariana Trench, Tasman Sea, Philippine Sea, Strait of Gibraltar
3. The Ross Sea, The Weddell Sea, The Davis Sea, The Red Sea
4. Palk Strait, The Arctic Ocean, Greenland, Eurasian Basin
5. Dharmapuri Plateau, Coimbatore Plateau, Madurai Plateau, Malwa Plateau