The correct answer among the other choices is v<span>ery fertile</span>. This statement best describes the region around Lake Victoria. It is not arid, low population density, or little agricultural production. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
For volcanoes to emerge oceanic and continental tectonic plate has to collide. Oceanic plate will subduct (sink), and will melt. Molten plate rises through crusts and forms volcanoes.
In Himalayas two sections of continental crust and create mountains (they don't subduct and melt).