Answer:
in a longitudinal study, researchers conduct several observations of the same subjects over a period of time, sometimes lasting many years
Explanation:
Agent Orange is an herbicide and defoliant chemical, one of the tactical use Rainbow Herbicides. It is widely known for its use by the U.S. military as part of its herbicidal warfare program, Operation Ranch Hand, during the Vietnam War from 1961 to 1971. It is a mixture of equal parts of two herbicides, 2,4,5-T and 2,4-D. In addition to its damaging environmental effects, the chemical has caused major health problems for many individuals who were exposed.
Malala Yousafzai,
she is confident and she can speak her mind. She is not scared of standing up for herself.
A. make a list of doctors, check on their skills, make an appointment
