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What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?
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Which describes increasing the efficiency of energy resource
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Which radioisotope is used in dating geological formations?
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Certain bacteria (such as aquaspirillum magnetotacticum) tend to swim toward the earth’s geographic north pole because they contain tiny particles, called magnetosomes, that are sensitive to a magnetic field. if a transmission line carrying 100 a is laid underwater, at what range of distances would the magnetic field from this line be great enough to interfere with the migration of these bacteria? (assume that a field less than 5% of the earth’s field would have little effect on the bacteria. take the earth’s field to be 5.0 * 10-5 t, and ignore the effects of the seawater.)
Answers: 1
Which environmental changes occur faster? a.) global warming b.) oil spill c.) pond succession d...
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