After the fossils are buried in the mud the soft tissues start to decompose rapidly. Leaving only the hard shells or bones of the animal. With time, sediment starts to build up on the top and then hardens into rock. The bones then start to decay, minerals start to enter and then end up replacing the organic material cell by cell in a process that is known as "petrification." So the answer you are looking for is B, Mud can prevent oxygen from reaching the dead organism.
The metabolite called lactic acid causes the body, specifically the muscles to ache after performing exercises. During exercise, respiration takes place which converts glucose substituents to be converted into metabolites such as lactic acid.
The passes food through the esophagus, the stomach partially digests food, and the large intestine (and the rectum) stores undigested waste.
In the Asian culture, they have a formal respect system where they maintain a distance from others. Many are uncomfortable with a direct eye to eye contact. The patient is not being rude, they are only doing as their culture dictates. With this being said, the nursing action that is most appropriate is to continue with the instructions and conversation. If the nurse decides to walk around to face the patient, this is considered a direct conflict in their culture. Do not stop giving the instructions on the stool specimen and offer the patient to come back as they will be offended. Also, never tell the Asian patient to look at you as you are talking as they may find it degrading. So the answer to the question is; continue with the instructions and verify that the client understands.
