Suppose the engine of a miracle car has a 100% efficient engine. It burns fuel with an energy content of 40 MJ/L. The average retarding force along a road is 1000 N. What distance can the car cover for one liter of fuel burned?
A. more than 50 km.
B. 30 km.
C. 50 km.
D. 40 km.
E. not enough information
Answer: D
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Which of the following is true?
A) We know more about transcription and translation in eukaryotes than about these processes in prokaryotes. B) We know more about transcription and translation in prokaryotes than about these processes in eukaryotes. C) We know the same amount about transcription and translation in prokaryotes eukaryotes. D) The processes of transcription and translation are identical in eukaryotes and prokaryote.
Rain long foretold, long last; short notice, soon past. The FIRST FIVE words of this weather proverb:
A) have no basis in fact. B) refer to a cold front. C) refer to the formation of cumulonimbus clouds. D) refer to an anticyclone. E) refer to a warm front.
Less than 20% of the named glaciers at Glacier National Park in the U.S. still existed in 2010 compared to the number in 1850.
Answer the following statement true (T) or false (F)
Which of the materials below is an example of biomass fuel?
A) Wood B) Uranium C) Oil D) Hot water