Answer:
Epidemiological study.
Explanation:
Epidemiology study is the study of diseases, conducted among populations of humans. Such a study highlights HOW the diseases happen, WHEN the diseases occur and WHERE the diseases occur.
The information gathered is necessary to strategize on how to stop the spread of the diseases, to prevent ailment and also as a guide to the care of the patients.
Epidemiologists also attempt to determine what factors are associated with diseases (risk factors), and what factors may protect people or animals against disease (protective factors).
I would say A. Because c and d r very dangerous if u think about it. And b is right in some situations. But if u do a then people can see whts going on if something happened because of the light. and it is safe. If wrong let me know. :D
Answer:
To look at the stars in the sky, your head is in the backward position.
Explanation:
To look at the stars in the sky it is necessary for the individual to project his face upwards, throwing his head completely backwards. This movement promotes the extension of the cervical spine, which allows the occipital approach to the C7 vertebra. This allows us to call the position of the head "backward", since to look upwards, the head needs to assume this position.
Explanation:
all the best on your exam
Carcinogen i think this is the answer