Water is often called the "universal solvent" because many substances can be dissolved in water. What property of water allows it to be such a versatile solvent? * purity
polarity and cohesion
expansion upon freezing
high heat capacity

condensation. good luck!

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.

answer an inhibitory neurotransmitter in the brain;