I find a few errors in this quiz. All continents have volcanoes. Australia is not a continent but rather part of one - namely Oceania, and Oceania does have volcanoes. The question about "the most landlocked country" needs to be better defined. Mongolia (where I happen to be now!) is not the least populous country in the world; you meant to ask which is the most sparsely populated. The answer to the question you actually asked is Vatican City. The final question also needs re-wording - farthest from what? I guess you come from UK!