The right answer for the question that is being asked and shown above is that: "B- destroyed in the stomach" If a virus is trapped by mucus in the nose, it is usually destroyed in the stomach. Viruses are very dangerous to our health.
Try reading the graph title or the graph axes (the lines up the side and along the bottom), this should say what the graph shows?
Answer:
rhe answer is that the rocks of that time are buried deeply under the soil.