I think the answer is sound waves
Answer: And
Explanation: Every other answer is just a conjunction predicting the opposite. Meaning, every other answer choice does not give a supporting signal, but and does.
Answer:
Social progress is used by patients was found to affect the healthcare professional and patient relationship, by leading to more equal communication between the patient and healthcare professional, increased switching of doctors, harmonious relationships, and suboptimal interaction between the patient and healthcare
Explanation:
The answer is C I’m sorry if I’m wrong