Rework Example 4.2, now assuming that the house has 14 windows, each measuring 45 inches high by 32 inches wide. When you buy the house, they’re single- pane windows, but when you upgrade the insulation, you also upgrade the windows to the best you can buy (see Table 4.2). Remember that the windows replace some of the wall area. Neglect any solar gain through the windows, which would increase your savings even more

i think they are all correct

explanation:

they seem good

continuous conducting path for current, power supply

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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