A is the correct answer because saliva cannot be infected and HIV can't travel through skin.
I believe it's First Aid.
Answer:
Observational Measurement
Explanation:
Observational measurement plays an important role in a variety of scientific methods within biology, sociology, education, marketing and psychology is used to observe the growth of individual.
This method will be useful in finding the difference in behavior of the children who have ADHD with respect to the children not having ADHD.
Hence, observational measurement is the method which is used by the teacher.
Answer:
Auscultation is listening to the sounds of the body during a physical examination
