Answer:
Yes and its not fum AT ALL :(
Explanation:
The procedure is a refraction or vision test. The doctor may use a computerized refractor or simply shine a light into your eyes.
Answer:
Asthma, difficulty breathing, wheezing, and reduced oxygen to vital organs. Hope this helps!
Explanation:
Answer:
Cross Sectional , Stratified Study
Explanation:
Research needed to gather primary data to compare attitudes towards energy brand between different ethnic groups : is Cross Sectional, Stratified Study .
Cross Sectional research is about studying various sample units at a particular point of time. Eg : Studying various ethnic groups at a point of time.
Stratified Study is based on sample drawn from various strata i.e sub population groups. It is a better representative sampling form, as encompasses all component groups of sample. Eg : Studying various subgroups (ethic groups) at a point of time.