Consider these statements about aerogel: (I) it is a nano-porous material, and (

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1. Consider these statements about aerogel: (I) it is a nano-porous material, and (II) silica aerogel is an excellent thermal insulator. Which is correct?

Both statements are true

Only statement I is true

Only statement II is true

Neither statement is true

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Both statements hold true — aerogel’s structure is riddled with nanoscale pores, and this very structure is precisely what gives silica aerogel its exceptional insulating properties.