I think its e. coli, because it’s bacteria that lives in the intestines of most healthy people and animal. e. coli can also cause serve abdominal cramps, bloody diarrhea, and vomiting
Answer:
a particle with a positive charge that is in the nucleus of an atom
Explanation:
Answer:
No viruses are not considered as living organisms, until they enter the body of the host
This solar energy conversion process is known as photosynthesis. ... At this time, the oxygen level was approximately 10% of its present atmospheric concentration. ... The presence of ozone enabled organisms to develop and live on the land.