Which of the following best explains why this is an example of a negative feedback loop? (please read each choice carefully)

a. when the levels drop below their set point, the pancreas brings it back to the set point

b. it is the process that puts sugar into our blood

c. it adds more and more sugar to our blood so that we can make ATP

d. when sugar levels drop below or rise above the set point, we have mechanisms in place to bring the sugar levels back to a set point.

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.

my answer is the prothallium.brainliest