Electric vehicles may still be using fossil fuels
A) because they all have a supplemental gas tank.
B) at a greater rate than conventional vehicles.
C) because batteries require oil to operate.
D) well into the 21st century.
E) if their charge comes from fossil-fueled power plants.
Answer: E
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Derechos are
A. strong downdrafts often creating ominous looking shelf clouds. B. strong updrafts that can cause airplanes to crash. C. normally display a "starburst" (radial) damage pattern from rotating winds. D. concentrated on the Gulf Coast, particularly Florida.
To improve the resolution of radio telescopes, astronomers ________
A) scan the skies rapidly to detect the direction of the radio signal B) group smaller telescopes in arrays, like the very large array in New Mexico C) make bigger telescopes D) place the telescope in outer space
Which of the following straight chain alkanes is a solid at room temperature?
A) C10H22 B) C6H14 C) C27H56 D) none of them
A map that presents data such that the largest areal unit on the map indicates the largest occurrence of the variable is a(n) ________.
A. isobar B. cartogram C. choropleth D. isochrone