Why did Congress require the Environmental Protection Agency to establish minimum drinking water standards?
A) Long-term exposure to small amounts of chemicals was proven to be hazardous.
B) Levels of contaminants in municipal drinking water systems rose to toxic levels.
C) The long-term effects of small amounts of chemical contamination were unknown.
D) Laboratory detection limits of common contaminants became much more sensitive.
C
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Why do you think Phelan Island and Golden State Island have the names they do? Describe how they were formed.
What will be an ideal response?
Source regions for wintertime cP air masses receive little solar radiation at the surface due to
A) low sun angles. B) high albedo. C) low sun angle and high albedo. D) low albedo.
What kind of temperature and pressure conditions will exist in a subduction zone metamorphic environment?
A) Low temperature and low pressure B) Low temperature and high pressure C) High temperature and low pressure D) High temperature and high pressure
?Postconsumer waste is generated during the manufacturing process.
Answer the following statement true (T) or false (F)