Physical activity or exercise can improve your health and reduce the risk of developing several diseases like type 2 diabetes.
The answer is D because when you get a head injury your most likely to have a concussion from the impact which will cause you to loss consciousness and have blurred vision and dizziness.
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.
