Pathogens are physically forced out of the respiratory tract when a person coughs

Based on the description above, the statement is likely true. Pathogens are a microorganism that causes disease which are bacteria or viruses and that when they are present in the respiratory tract in humans, they are being forced out by an individual's way of coughing in means to expel them.

Idk

Essential for a scientist to do for credibility

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.