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Questions and Answers
What covers three-fourths of the planet?
What covers three-fourths of the planet?
What powers photosynthesis, supporting almost all life-forms on Earth?
What powers photosynthesis, supporting almost all life-forms on Earth?
What develops from rock and provides support and minerals for plants?
What develops from rock and provides support and minerals for plants?
What type of organisms require essential oxygen and carbon dioxide?
What type of organisms require essential oxygen and carbon dioxide?
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How long has life existed on Earth?
How long has life existed on Earth?
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What hindered mass adoption of private electric vehicles throughout the 20th century?
What hindered mass adoption of private electric vehicles throughout the 20th century?
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Which propulsion mechanism dominated cars and trucks for about 100 years?
Which propulsion mechanism dominated cars and trucks for about 100 years?
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In which types of vehicles did electricity-powered locomotion remain commonplace?
In which types of vehicles did electricity-powered locomotion remain commonplace?
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What advantage did electricity provide for motor vehicle propulsion, compared to gasoline engine cars of the time?
What advantage did electricity provide for motor vehicle propulsion, compared to gasoline engine cars of the time?
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What hindered the mass adoption of private electric vehicles throughout the 20th century?
What hindered the mass adoption of private electric vehicles throughout the 20th century?
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