By measuring the height of the tortoise, this scientist is gathering

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.

idk im sorry.

synapse nervous system

answer/// to address the needs of adults with mental illness and increase their ability to function;