Letter A is the correct answer.
Economic vulnerability refers to the inability of people to get what they need due to their financial conditions. This situation is a good example of economic vulnerability because the subject only participates in the drug study because that's the only chance he/she will have to get the treatment he/she needs.
C. optimistic reason being they happy and really exited for the future
Reasoning first appears during adolescence.
Answer:
Dead bullets
Explanation:
If you see some holes on the skeleton, those are dead bullets