The liver removes ammonia from the blood and converts it into urea. Why is this activity of the liver an example of homeostasis? A. The activity is independent of blood levels of ammonia, and has no effect on the levels.

B. The activity keeps blood levels of ammonia within a certain low range that the body can tolerate.

O C. The activity occurs only during the day, when the body is most active.

D. The activity occurs only at night, when other body organs are at rest.

B. the activity keeps blood levels of ammonia within a certain low range that the body can tolerate

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.