The guidance of the north start and direction of the sun.
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I like most the general knowledge books because they give us knowledge very much i like them most.
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The amount of fuel used to heat and cool your home can be reduced by good insulation.
Answer: A positive feedback loop occurs in nature when the product of a reaction leads to an increase in that reaction. If we look at a system in homeostasis, a positive feedback loop moves a system further away from the target of equilibrium.
