B. predicting what friends will think
People commit suicide because of many reasons. It could include personal reasons, family issues, relationship problems, etc. These people feel they are in pain and that the world around them wouldn't care if they left. Most commonly, depression is a reason why they do commit suicide. They feel sad, lonely, and have no one to talk to. Or even if they do have someone to talk to, they wouldn't understand how they felt. Not being able to conclude who you are and what your purpose is sometimes leads to depression.
Hypothermia occurs when a low internal body temperature interferes with the body's ability to regulate vital processes, such as metabolism and the heartbeat. One risk for hypothermia is getting wet, which vastly increases heat loss in the cold.
A) this activity is appropriate because it prepares muscles for more intense movement
