1. If smoke is so dense as to make visibility poor, you may need to keep in constant physical contact with an object, or a rib in order to feel your way along.
    1. True
    2. False
    Correct!  The correct answer is A. True.
    Statement No. 47:  If smoke is so dense as to make visibility poor, you may need to keep in constant physical contact with an object, or a rib in order to feel your way along.