The areas that are most likely to be affected by frostbite are the hands, feet, earlobes, nose and cheeks.
(The areas; are; most likely to be affected by frostbite) (The areas that are most likely to be affected by frostbite; are; the hands, feet, earlobes, nose and cheeks)
The areas The areas that are most likely to be affected by frostbite
are are
most likely to be affected by frostbite
the hands, feet, earlobes, nose and cheeks