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The average adult yawns 20
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Why are yawns contagious? We asked a scientist The average adult yawns 20 times per day.
1 answer
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Why Are Yawns Contagious? We Asked a Scientist"
by Teresa Carey Why are yawns contagious? We asked a scientist The average adult
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"Why Are Yawns Contagious? We Asked a Scientist"
by Teresa Carey Why are yawns contagious? We asked a scientist The average adult
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asked by
lol
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"Why Are Yawns Contagious? We Asked a Scientist" by Teresa Carey Why are yawns contagious? We asked a scientist The average
1 answer
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"Why Are Yawns Contagious? We Asked a Scientist" by Teresa Carey Why are yawns contagious? We asked a scientist The average
1 answer
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"Why Are Yawns Contagious? We Asked a Scientist"
by Teresa Carey Why are yawns contagious? We asked a scientist The average adult
1 answer
63 views
Why are yawns contagious? We asked a scientist%0D%0A%0D%0AThe average adult yawns 20 times per day. And when you feel a yawn
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16 views
The average adult yawns 20 times per day. And when you feel a yawn coming on, it can be nearly impossible to suppress. But why
1 answer
asked by
Bob
22 views
The average adult yawns 20 times per day. And when you feel a yawn coming on, it can be nearly impossible to suppress. But why
1 answer
30 views
an average adult flea can jump 200 times the lenght of its own body. An adult flea is about 0.1 inch long. About how many feet
2 answers
asked by
judelyn
795 views