Answer:
Wearing a mask and social distancing, there is nothing else I could fins and he says "even people vaccinated will wear a mask".
He explains that since they track people it is easier to stop the spread
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).
