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.
Treaty of Paris ends Spanish-American War. In France, the Treaty of Paris is signed, formally ending the Spanish-American War and granting the United States its first overseas empire. The Spanish-American War had its origins in the rebellion against Spanish rule that began in Cuba in 1895.
D, because that one starts with "why" which automatically opens it up for an argument. While the others are just simply statements or just a basic question.
A because Japan hated Hitler a lot and they did not get along
Due to the colonist and such leaving from a tyrant ruled nation. They wanted to make sure the same wouldn't happen over here, therefor they gave the President power. However it would go through some people and such. For example President Trump signed a bill, the travel ban. Yet in around 1 to 2 days, the Judicial Branch found it unconstitutional. Therefor it was overturned and disbanded.