I believe the answer is B it shows how potentially dangerous some diseases can be to people
B. Run-on because theres no stopping point on it. For example Flash flooding creates dangerous conditions, rain falls too quickly to be obsorbed into the ground or to drain.
Answer:
A busy market place is full of people and is always bustling with activity. There are the different sellers who are part of the crowd and they are trying to entice the buyers to buy their products.
B. The writer is strongly against cars passing on the right