Related by context. Frequent words. (Click for all words.) 60 southern hemisphere 53 Southern Hemisphere 51 northern hemisphere 49 Northern Hemisphere 46 lavas 46 Namib Desert 46 penguin colony 45 Flinders Ranges 45 Archaean 45 Meeuws 45 stratospheric ozone 45 Dry Valleys 44 equatorial regions 44 mid latitudes 44 stromatolites 44 equatorial 44 megafauna 44 glaciation 44 Weddell Sea 44 temperate zones 44 Tonga Samoa 44 Atherton Tablelands 43 landmasses 43 George Pisi 43 volcanism 43 Cape Agulhas 43 volcanic crater 43 equator 43 Kees Lensing 43 underwater volcanoes 43 seamount 43 temperate forests 42 El Ninos 42 Carboniferous 42 Carl Hoeft 42 monsoonal 42 Michael Lynagh 42 Otways 42 stonefruit 42 basaltic 42 Paleocene 42 Mt Taranaki 42 basalts 41 temperate regions 41 oceanic crust 41 hydrothermal activity 41 tropical cyclones 41 Waipara 41 driest continent 41 subtropics 41 NIWA 41 terrestrial ecosystems 41 Valles Marineris 41 Dongara 41 Ross Ice Shelf 41 ENSO 40 landforms 40 continental crust 40 volcanically active 40 southern hemispheres 40 Comet McNaught 40 Great Dividing Range 40 phytoplankton blooms 40 paleoclimate 40 geologically active 40 upwellings 40 Central Tablelands 40 crustal 40 Cyclone Hamish 40 Antarctic 40 tropics 40 Kevin Senio 40 Cyclone Ului 40 spherules 40 Cape Tribulation 40 Tumby Bay 40 southerlies 40 El Nino 40 Fiji Samoa 40 warmer drier 40 caldera 40 wheatbelt 40 subarctic 40 La Nina weather 39 QR Reds 39 algal bloom 39 icy crust 39 volcanic islands 39 polar vortex 39 tryscorer 39 sedimentary basin 39 Sauvignon blanc 39 frontrow 39 highveld 39 poleward 39 La Nina pattern 39 latitudinal 39 hydrothermal vent 39 Jurassic Period 39 south westerly winds 39 grassy plains