Check out the map showing tornado alley in the U. S. Although tornadoes can occur anywhere, they are most likely to occur when what conditions exist?

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.

a chain link fence because there so tiny even my albino donkey can't get out