How toxic metals affect the environment

QUESTION 1
How do toxic metals affect the environment? Provide at least two examples of the effects of toxic metals on humans. What could be done to help in the examples given? Your response must be at least 200 words in length.
QUESTION 2
Describe a vector-borne disease. Provide a brief history of the disease and how it can be contracted. Your response must be at least 200 words in length.
QUESTION 3
Explain how zoonotic diseases are transferred to humans. In your answer, please give one example of a zoonotic disease and its effects on humans. Your response must be at least 200 words in length.

Sample Solution

Faced with more and more stringed environmental regulations, nowadays heavy metals are the priority pollutants of surface and ground waters. Water contamination with these compound is becoming one of the most serious environmental problems because of the toxic nature of the heavy metal ions, even at low trace levels. Heavy metals have harmful effects on human health, and exposure to these metals has been increased by industrial and anthropogenic activities and modern industrialization. Several acute and chronic toxic effects of heavy metals affect different body organs. Gastrointestinal and kidney dysfunction, nervous system disorders, skin lesions, vascular damage, immune system dysfunction, birth defects, and cancer are examples of the complications of heavy metals toxic effects.

bachev came to power, he began to implement reforms in order to improve the Soviet economy. Despite these efforts, they ultimately led to the collapse of the Soviet Union. The desire for economic reform surfaced from the growing economic inequality within the Soviet Union. Wealth became focused within the elite, while the majority of Soviets were suffering; the standard of living in the Soviet Union was one third of the standard of living level in America and less than half of West Germany and France (Johnson & Raynes, 1984, page ii). Low standards of living generally guarantees unrest with populations because people are likely unsatisfied with their economic situation. The downfall of the Soviet Union is evidence of the fact that governments are unstable when their preferred system of economics is not capitalism.

 

 

Capitalism supports equality in nations, because capitalism supports equal opportunity vice versa. Capitalism is sustainable because it is often accompanied with socialist political policies. Equal opportunities give more people the means to support themselves. Though there may be economic inequality in capitalist states, there isn’t widespread poverty at the same level as in communist nations. This is because the people who are motivated enough to sustain themselves will find a way to achieve what they want.

Major financial support is provided under communist governments. Theoretically this is a beneficial policy, but realistically it isn’t as beneficial as it is intended to be. At least 20 percent of Soviets lived in poverty compared to 14 percent of Americans in 1988 (Fein, 1989). The average Soviet only has to dedicate 6 percent of their income to paying rent, whereas Americans dedicate 26 percent of their income to living expenses (Fein, 1989). The Soviets denounced the existence of poverty in their country up until Gorbachev’s leadership, and instead claimed that poverty was only brought on by capitalism. The large number of people who were experiencing economic hardships sought for change in the USSR. Despite Soviet officials claiming that the poverty was caused by laziness, many believe that poverty was brought on by the economic state of the USSR. T

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