Arianne recently traveled abroad where she enjoyed eating food from different countries and learning about different cultures. a week after she returned home, she checked into the hospital with signs of nausea, fever, and diarrhea. what best explains what happened to arianne? a parasitic bacteria contaminated her food. a mutualistic bacteria infected her digestive system. a commensalistic organism is now living in her intestine. a predatorial organism is consuming her natural bacteria

A parasitic bacteria contaminated her food.

Explanation:it has to be parasitic for you to have those symptoms therefore its A

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

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bioteacher101