I needed to see my children . So I was . Traveling by floo was never very entertaining , and when I came tumbling about at the specified address I was covered with soot . But I managed to get it off quickly . " Acacia , " I called desperately , looking about these foreign surroundings .

Question: What causes you to be covered in soot ?
Answer: None of the above choices .When traveling by floo one incurs a great deal of dust and soot and that collects on the clothingI tend to arrive in rooms which are covered in ash and sootI tend to like having fires at home and before I leave to travel I put out the fire causing the soot to collect on me