One of the most common types of bacteria-related diarrhea in the united states, resulting primarily from the ingestion of contaminated water, raw milk, and raw or undercooked meats, is caused by

hemorrhagic colitis -caused by E.coli, most common in children, severe abdominal cramps, vomiting, diarrhea, and a short-lived fever followed by watery, bloody diarrhea. Sources of E.coli; beef, unpasteurized milk, unpasteurized apple juice or cider, raw sprouts, dry cured salami, fresh produce, yogurt, sandwiches, water.

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%