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Which of the following modes of transportation would probably be the most energy efficient for traveling from New York to Los Angeles?

a. flying by commercial airline
b. driving your own automobile
c. taking a bus
d. taking Amtrak

User H K
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1 Answer

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d because many people are travelling together and the train can occasionally coast due to level travel and the greater the mass the more often the momentum
User Avimoondra
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