Catalytic converters
A) convert vehicle emissions to nitrogen oxides and ozone.
B) convert vehicle emissions to less toxic gases.
C) convert industrial emissions to less toxic gases.
D) convert industrial emissions to nitrogen oxides and ozone.
Answer: B
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One of the skin-irritating components of poison oak is tetrahydrourushiol:
The long, nonpolar hydrocarbon tail embeds itself in a person's oily skin, where the molecule initiates an allergic response. Scratching the itch spreads tetrahydrourushiol molecules over a greater surface area, causing the zone of irritation to grow. Is this compound an alcohol or a phenol?
A. an alcohol because of the hydroxyl groups it contains B. a phenol because of the hydroxyl groups attached to the benzene ring C. both a phenol and an alcohol because of the hydroxyl groups it contains D. neither an alcohol nor phenol because it contains two hydroxyl groups instead of one
Gravitational attraction between two bodies
A. gets weaker with increasing distance between them. B. is described by Newton's equation for gravity. C. extends to the far reaches of the universe. D. all the above
The nekton only include vertebrates such as fish and whales.
Answer the following statement true (T) or false (F)
What is true of water and water supplies associated with urban areas?
A. Water supplies typically have shallow wells. B. Flooding is extremely rare. C. Runoff is well-handled by storm sewer systems. D. Excess urban water irrigates many agricultural areas. E. Urban development often destroys or degrades wetlands.