If this is a true or false question the answer is True Carbon dioxide is a natural product of animal and human life
Another factor could be when working in healthcare you are dealing with many people who have a mental illness that can cause acceptance of violence.
Or they are dealing with people who have extremely temperamental opinions, therefore, they become violent.
Hope this helps!
The correct answer is "It increases endurance."
The more you do sports, the longer your body will be able to endure long periods of playing, exercising, and training. This is because continuous engagement in sports will help your body to grow stronger.