Answer:
I would say keep your head up and work hard to learn and have a professinal help you train
Explanation:
The study of British civil servants that compared mortality rates across four employment grades over a ten-year period is the Whitehall study.
<h3>
What is the Whitehall study? </h3>
It was the study to determine the social factors that affected the health of British civil servants. It included the study of prevalence or occurrence of diseases like cardiovascular diseases. It also included studies of the mortality rate.
This was done in two parts
- Whitehall study I - It was conducted from 1967 to 1977. It examined 17500 civil servants (only male)
- Whitehall Study II - It was conducted from 1985 to 1988. It examined 10,308 civil servants. One-third of them were women.
Therefore, the study of British civil servants that compared mortality rates across four employment grades over a ten-year period is the Whitehall study.
Read more about the Whitehall study, here
brainly.com/question/7226190
#SPJ4
True
Toxic waste spills come often from industries and have the ability to change the color of the water, cause eutrophication, pose threat to water organisms and cause temperature changes.
Yes they can because they are plants lol
