By which route of exposure are toxic substances brought into the body through the respiratory system?
a. Absorption
b. Perfusion
c. Inhalation
d. Respiration
Answer: c. Inhalation
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Sea-level rise occurs when ice on land melts (glaciers, ice caps, and ice sheets, the Greenland ice sheet, for example) and when warming ocean waters expand
Indicate whether the statement is true or false
Mt. Kilimanjaro and Mt. Kenya are ________ that occur along the East African Rift
A) hot spots B) volcanoes C) mantle plumes D) fault zones
Which of the following Acts prohibited dumping of waste materials into rivers without permits?
A) 1980 CERCLA Act B) 1970 Resource Recovery Act C) 2006 REACH Act D) 1965 Solid Waste Disposal Act E) 1899 Rivers and Harbors Act
Around an actively pumped well in an unconfined aquifer, a ________ may develop in the water table.
A. zone of saturation B. recharge C. sinkhole D. cone of depression