Answer:
B. mercury
Explanation:
Mercury is one of the most common toxic chemicals that can be found in contaminated fish. This is because mercury has become a common pollutant in rivers and other waterways since it it commonly used in mining and industrial operation, and these operations end up throwing the mercury into the waterbodies, where the fish absorb it.
It benefited the elderly people after retirement.
I assume you have choices for the question? Anwyays, working-class women during that era weren’t exempted from factory work. They worked mainly in factories of textile, piecework, and coal mine industries. It was extra tiring of working-class women because after a hard days work at the factories, they are faced with household duties and child
i think the following answers are: Korea is still divided between a communist north and a democratic south
South Korea has become more prosperous because they have had trade and foreign aid from the United States and other countries.
A historian using the historical thinking skill of examining historiography might try to determine how much has already been written about a certain subject before embarking on his or her own project, since this historiography of a topic can help you understand the evolution of "thinking about" the issue.