Answer:
The person plagiarizing.
Explanation:
Usually, It's not acceptable to copy other peoples work.
B) <span>Outdoor exercise helps your body make vitamin D. The rest aren't true, bc u CAN get exercise in the city. Outdoor exercise isn't ALWAYS strenuous, and outdoor sports don't have to take place in the wilderness. good luck bro</span>
A or D are both possible answers however A creates the most tension
Answer:
little bit of oxygen
Explanation:
since they were 21,000 feet in the air oxygen was thin and some patients need oxygen for treatment and it was difficult