Synergistic effects occur when there is more damage of exposure when two factors are together.
Answer the following statement true (T) or false (F)
True
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Once lead was eliminated from gasoline, the problem of unsafe blood levels of lead in young children ceased in the United States
Indicate whether the statement is true or false
Based on previous redlining policies, minority groups in U.S. cities are more likely to be
A) clustered in inner-city neighborhoods. B) dispersed throughout the city. C) clustered in suburbs. D) distributed uniformly in the city. E) distributed across the commuter zone.
What erosion control practices would be best suited for a landscape with steep slopes? With gentle, rolling hills?
What will be an ideal response?
Smelting is a major source of air pollution which involves
A. mechanically removing metals from ores. B. roasting ores to release metals. C. washing ores at high pressure to release metals. D. None of these choices are correct