Find and correct six mistakes in Robs homework. There are about

Find and correct six mistakes in Robs homework. There are about fifty active volcanoes In the world. Some volcanoes are extinct. Extinct volcano it is very sometimes. Krakatoa is an axninct volcano It Is very hot Inside the Earth. When rock and metal becomes hot they change Into water Gases escape through a crack. They carrywater with them up Into the alr.Hot chocolate comes out of the volcanol. The volcano Is erupting. 1.There arent about fifty volcanoes in the world ,there are about five hundred. Odd one out! steam, water,on, metal, ice, rock