Pennsylvania and Illinois are states in the United States that have the greatest quantities of <span>trichloroethylene (TCE). TCE is a toxic contaminant that can be found in drinking water. It is a blue liquid with an odor similar to chloroform. TCE consumption is harmful because it can lead to liver damage, kidney damage and cancer. TCE is also found in air and soil and is considered an environmental contaminant. </span>
<span>Pennsylvania and Illinois
Trichloroethylene has someone uses which are common to man's everyday activities such as removing greasy stains and substances from metal surfaces and clothes. Also, it's odorless and sometimes blue and colorless nature makes it easily to apply to situations that require it's uses. However, it posse some health risk especially if it is detected to be in water. It is common in those states probably because they use it to remove grease from their water supplies.</span>
True. The most successful was the Massachusetts Bay Colony, established by the Puritans... Source of information: http://thehistoryjunkie.com/new-england-colonies/
The point at which an economy is most efficiently producing its goods and services and, therefore, allocating its resources in the best way possible is known as production possibility frontier
