Individual cells can be isolated from a mature plant grown with special mixtures of growth hormones to produce a number of genetically identical plants. this process is known as

b is the best answer for this question.

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.