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.
Answer:
1. Ecologists call this one-way flow of matter and energy from a producer to a primary, then to secondary, and perhaps to a tertiary consumer, a food chain. ... ~ Single food chains do not show all the feeding relationships in ecosystems. The food web shows all the organisms at each feeding level or trophic level.
2. Energy flows through an ecosystem in one direction: from producer to primary consumer to secondary consumer to higher consumers. A biomass pyramid provides a picture of the feeding and nergy relationships within a food web and the direction of the flow of energy.
Explanation:
The conclusion drawn about Truman's beliefs from the statement is that Soviets will spread communism.
<h3>President Truman belief towards Soviet Union</h3>
The President adopted the anti-Soviet policy in other to support the suffering nations by preventing the spread of Communism.
Hence, the conclusion drawn about Truman's beliefs from the statement is that Soviets will spread communism.
Therefore, the Option D is correct.
Read more about President Truman
<em>brainly.com/question/8429558</em>
I think it would be the failure to pass treaties. European nations are often in conflict over land territories and vast riches of the country. Another reason why the European countries always care in conflict, it would be religion. Many of them are firm believers Christianity. I think this was the reason why there was Crusades occur.