Answer:
In my opinion, there is no such things as a "safe" sport. The responsibility of the player is to be aware of their surroundings. The responsibility of the team is to not only be aware of their surroundings too, but to also look out for themselves and their teammates.
Explanation:
A negative externality are the ones who suffers and serves
as a third party from which they are being affected because of stimulus or both
of the first and second party. This will likely cause resources and economy to
be affected. By this, in the given sentence above, the drinking of can and
caffeine free, diet soda, would likely cause a negative effect in the economy
for if the cans used and bottles are not recycled and are not dispose of
properly, it will take up the land fill, making it hard to dispose of these
cans and bottles, thus, it destroys also the environment.