Biology, 20.09.2019 17:30 mNtYiOl7139
If a person commutes just a few miles to school, which of the following would be the most practical and most energy-efficient method of transportation - based on the reason given?
a. a bike would be practical for more than 10 miles in cold climate.
b. public transportation is always available in every metropolitan area.
c. if the commute is only a few miles, an electric car would be practical.
d. walking is always the most practical.
Answers: 1
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Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins
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Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
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If a person commutes just a few miles to school, which of the following would be the most practical...
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