Read this excerpt from Susan Butcher and the Iditarod
Trail
Which conclusion can be formed based on the information
in the excerpt?
At the hospital in Anchorage on January 27, doctors
carefully packed the vials of serum. They wrapped them in
several layers of quilting and then canvas to protect them
against breakage and cold. They included written
instructions on how to warm the serum along the route.
This compact, twenty-pound package could make the
difference between life and death for children one
thousand miles away.
Serum packages are heavy and bulky.
Serum can be damaged by low temperatures.
Serum is not sensitive to temperature changes
Serum is easily transported over long distances.