Which sentence is in passive voice?
the clouds floated in a gorgeous blue sky.
the snow covered everything in our backyard.
lucy went to the library to study.
the ship was overturned by powerful waves.
barry chopped vegetables for dinner. ce

hypothermia is a medical emergency that occurs when your body loses heat faster then it can produce heat, causing a dangerously low body temperature.

normal body temperature is around 98.6 (37 c) hypothermia occurs as your body temperature falls below 95 (35 c)

hope i was some : 3

sorry it took so long i did more research about my answer so

hope i !

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).