Answer:
To make a fun game for people to play with there family and friends
Explanation:
Answer:
A. 137 years
Explanation:
Smack that "thanks" button, Your welcome.
Answer:
Cohort
Explanation:
Cohort studies refer to a form of medical study which is used to examine the reasons for the disease and to find its relation to the risk factors to medical outcomes. Usually, cohort studies track large groups of people, tracking their susceptibility to such risk variables in order to obtain answers to the potential causes of disease.
As per the question, researchers observe a group of people based on their smoking habits and tracked them for twenty years to observe its relation to lung cancer reflects the procedure of cohort studies.
Putting something in chronological order means to arrange events in their order of occurrence in time. So...
An essay explaining the development of technology to the present day would be written in chronological order.