In an animal hospital, 1010 units of a certain medicine were injected into a dog. after 4545 minutes, only 55 units remained in the dog. let f(t) be the amount of the medicine present after t minutes. at any time, the rate of change of f(t) is proportional to the value of f(t). find the formula for f(t).

the answer to your question is b

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.

the answer is c a tornado