Answer:
You should not exercise in the cold because it's really bad for your bones, and you will get dehydrated and pass out if you're exercising in extreme heat.
Explanation:
Volunteer work, clubs you have been in, any achievements such as the president of the 4H club (just an example) also list your academic achievements.<span />
I would say Recycling or using alternate power sources such as solar or wind
I believe the answers to this is semen and saliva i think.