The inhalation of mercury vapor can produce harmful effects on the nervous, digestive and immune systems, lungs and kidneys, and may be fatal. Mild, sub-clinical signs of central nervous system toxicity can be seen in workers exposed to an elemental mercury level in the air of 20 μg/m3 or more for several years.
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What are the weaknesses of the Articles of Confederation?
Weaknesses of the Articles of Confederation
Each state only had one vote in Congress, regardless of size. Congress had not have the power to tax. Congress did not have the power to regulate foreign and interstate commerce. There was no executive branch to enforce any acts passed by Congress.
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