I am lighter than air but a hundred people cannot lift me? What am I?

More Questions from Logic Puzzles

• What's at the end of a rainbow?
• What gets wetter and wetter the more it dries?
• Where does Friday come before Thursday?
• A Roman walks into a bar. He holds up two fingers and says 'five beers, please'. How it is possible?
• 5 L from A are V?
• You heard me before and then again. Afterward I die until you call me again. What am I?
• What loses its head every morning and gets it back every night?
• 64 S on CB?
• 24 S in an IF?
• What has Hands But cannot Clap?

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