It was the famous Theodor Escherich who is a famous German bacteriologist that discovered the E. coli and was also known for his research in the area of protein synthesis. In addition to that, Theodor Escherich discovered the bacteria type when he examined its samples from a patient suffering from gastroenteritis.
O2 (oxygen) is a covalent compound
Answer:
A releaser is a stimulus from one animal to another, which causes a particular response.
Explanation:
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