Answer:
Noroviruses are a group of viruses that cause gastroenteritis in people. Gastroenteritis is an inflammation of the lining of the stomach and intestines, causing an acute onset of severe vomiting and diarrhea. Norovirus illness is usually brief in people who are otherwise healthy. an RNA virus of the family Caliciviridae, is a human enteric pathogen that causes substantial morbidity across both health care and community settings, causes vomiting and diarrhea. People of all ages can get infected and sick with norovirus. Norovirus spreads easily! You can get norovirus by accidentally getting tiny particles of feces (poop) or vomit from an infected person in your mouth.
Explanation:
It's a bacteria it's says virus but it's a bacteria
Answer:
B. Liquid water flowed on its surface
<span>A person who eats and sleeps too much is experiencing a depressive episode with psychotic features. Psychotic features can impact a person's mood negatively and cause them have hallucinations or delusional feelings of depressive themes such as worthlessness or lacking a sense of self-worth.</span>
They are variables that cannot be changed or are purposefully not changed in an experiment.