Accidents, homicide, suicide, cancer, and heart disease are the top 5 leading causes of death.
I don’t think you’re looking for a part but I believe you’re looking for blood, more specifically the red blood cells
Natural emergency: something that occurs naturally
manmade: something caused by a person (ex.shooting)
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.