The pedigree diagram shows how a recessive trait is inherited in a family. The red circle shows a person with
the trait.

enzyme speed up the reactions

but there is no

i guess you forgot putting it.

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.