| 41. | Should the metal ducts be covered with some kind of insulation to cut down on the waste of energy?
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| 42. | Thus antelopes really are indulging in a dangerous waste of energy when they stot in front of a cheetah.
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| 43. | "It's a waste of energy to go into a runoff when we could join hands and win the first one,"
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| 44. | To be opposed to ( copying coordinates ) is a waste of energy, because people are going to do it.
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| 45. | This would have led to a great waste of energy and so they were never seriously considered for industrial use.
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| 46. | Once competition between males was no longer a selective force, producing toxic chemicals apparently became a maladaptive waste of energy.
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| 47. | I realize there is no reason to be angry or sad, that it is a waste of energy and of life.
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| 48. | This may be because the sound of a running stream drowns out any calls, and it becomes a waste of energy.
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| 49. | Nevada also has a $ 5 " waste of energy " fine for violators clocked at speeds up to 75 mph
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| 50. | Other butterflies have evolved to look like the speedy ones so that birds figure chasing them is a waste of energy.
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