Answer:
an international organization that conducts research worldwide to track the spread of diseases and other health issues
Explanation:
I think the three components are: environment, personal choices, and habits.
Answer: "Hey are you doing ok?" "You have been acting not like yourself lately" "Hey, i'm coming over we need to talk" "Do you need help with anything? Seems like you are not doing ok"
Explanation:
Doing stuff they usually like doing, if they do not seem like they're having fun or enjoying it then you can see that something is up and ask what's going on.
I think C but I might be wrong
Answer:
approach the man attempt to make content aid to his physical needs best you can and call 911
