Answer:
While there are many food safety hazards that can cause food contamination, most fall into one of three categories: biological, physical or chemical contamination.
The correct answer is D. by perspiration.
Waste/toxins would not be able to leave the body. The kidneys filter out the waste and eliminate it through the urinary tract.
What task do you what to accomplish?
Marathon’s consist of running/jogging/sprinting long distances, so first off it would be a good idea to increase stamina, which would be done by jogging everyday, increasing your distance everyday. Stretch your calf muscles upper leg muscles to avoid cramps while running too.