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Which of the following is an example of positive feedback? 1. Abscisic acid (ABA) in plants slows bud growth in cold temperatures. 2.An increase in ethylene gas causes fruits to ripen more quickly. 3.Taking
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Which of the following is an example of positive feedback?

1. Abscisic acid (ABA) in plants slows bud growth in cold temperatures.
2.An increase in ethylene gas causes fruits to ripen more quickly.
3.Taking a tranquilizer slows the speed of signal transmission in neurons.
4.Panting in dogs increases the amount of cool air in nasal passages and lowers body temperature

User Dlawrence
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D is the correct answer. (Panting in a dogs increases the amount of cool air in nasal passages and lowers body temp).
User AmirNorouzpour
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