How much pollution in Mexico City is generated by vehicles?
A) 35%
B) 50%
C) 60%
D) 75%
E) 90%
Answer: D
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The Green Revolution innovations in agriculture are based on a package of inputs including all of the following except
A) high yielding seed varieties. B) synthetic fertilizers. C) chemical pesticides. D) irrigation. E) natural fertilizers (compost, green manure, animal manure).
Which was NOT a reason for the present economic crisis in Europe?
A) the insistence of wealthier EU nations demanding poorer ones engage in fiscal austerity, which had the effect of unemployment in the poorer nations (and thus less tax revenue) B) overspending by governments in weaker EU nations C) the lingering effects of the 2008 global financial crisis D) cheap credit available to weaker EU economies (such as Greece) E) widespread Soviet interference in eastern Europe's economies
Which Italian city is dangerously located between two recently active volcanoes?
a. ?Rome b. ?Milan c. ?Naples d. ?Venice e. ?Sardinia
Which of the following is NOT true about heat stress?
A) Heat stress can results in cramps, exhaustion, and even heat stroke. B) The National Weather Service reports a heat index to cause the human body's probable reaction to the combined effects of temperature and relative humidity. C) Heat stress can lead to potentially life-threatening conditions. D) Heat stress poses little threat to human health.