D is the answer due to lack of knowledge and accessibility
Answer: because gas rise in upward
Explanation:
Answer:
worsening cough and sore throat.
labored breathing.
greater hoarseness and difficulty speaking above a whisper.
hiccups.
nausea and vomiting.
bone and joint pain.
bleeding in the esophagus, which can lead to blood in the digestive tract and stool.
Explanation: