A paging system would be the best technological advancement for Belinda
Answer:
Option D, Biotechnology Research and Development, is the right answer.
Explanation:
As the term Biotechnology Research suggests the research made in this field is associated with human health. Therefore, biotechnology research and development is a field where scientists get involved in research to discover new treatments or new devices to improve the health of a patient. The scientists may develop some new medicines as well as methods of treatment for some of the very serious diseases such as cancer.
Gingivitis that is not treated may lead to periodontitis.
