Cattle are allowed to pasture in a field that contains the farmhouse well, and the farmer’s family becomes ill with a gastrointestinal pathogen after drinking the water. what type of transmission of infectious agents would this be?
biological vector transmission
direct contact transmission
indirect contact transmission
vehicle transmission

vehicle transmission

Explanation:

Vehicle transmission is a mode of transmission of infectious agent through substances such as soil, water, air. This process leads to the transmission of the infectious agent to the body of the host.

According to the given situation, the gastrointestinal pathogen will enter into the drinking water from the cattle. The water will be consumed by the family and this will result in the condition of infection. Here, water is the vehicle for the transmission of infection.

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?

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.