Burning ethanol derived from sugarcane produces at least ________ less greenhouse gases than burning an equivalent amount of gasoline
A) 87% B) 15% C) 32% D) 99% E) 66%
A
Environmental & Atmospheric Sciences
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Smog begins to develop in the morning because
A. power plants begin operation for the day. B. the sun comes up. C. people turn on lights in their homes. D. people drive their cars to work.
Environmental & Atmospheric Sciences
How many hot spots are there on Earth?
A) 4 B) 40 C) 400 D) 4000
Environmental & Atmospheric Sciences
The least dense portion of the solid Earth is the:
A) core. B) mantle. C) center. D) crust.
Environmental & Atmospheric Sciences
Which of the following is correct regarding the snowline?
A) It increases in elevation with increasing latitude. B) It decreases in elevation with increasing latitude. C) It occurs at approximately the same elevation at all latitudes because the environmental lapse rate is approximately the same at all latitudes.
Environmental & Atmospheric Sciences