Apart from air, which other gases are used in an insulating glass unit (IGU) and why?
What will be an ideal response?
Argon and krypton are used in place of air because they are more insulating than air, but also more expensive.
Krypton is more insulating than argon, and also more expensive.
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Fill in the blank(s) with the appropriate word(s).
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A) Wavelength B) Period C) Frequency D) Amplitude
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Fill in the blank(s) with the appropriate word(s).