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Explore Wonders | Find: 纽约大都会学院文凭毕业证假的多少钱【咨询网:ｚｊｗ２１１.ｃｏｍ】咸阳苹果美国id的zip填什么-人文研究大学student card（证件网:ｂｚｗ９８５.ｃｏｍ)浦和大学公共管理文凭证书nD | Wonderopolis

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When Were ZIP Codes Invented?

ZIP into Wonderopolis for today’s Wonder of the Day!

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When Were ZIP Codes Invented?
How Does a Key Card Unlock a Door?

UNLOCK your own curiosity with today’s Wonder of the Day!

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How Does a Key Card Unlock a Door?
How Much Can You Charge on a Credit Card?

Today’s Wonder of the Day takes a closer look at the power of plastic!

#1987

How Much Can You Charge on a Credit Card?
How Fast Can You Zip Through the Air?

Today’s Wonder of the Day will really add some zip to your day!

#817

How Fast Can You Zip Through the Air?
How Do You Prove Who You Are?

If you’re coming to Wonderopolis today, you’d better bring your I.D.!

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How Do You Prove Who You Are?
Does Your Food Make the Grade?

Today’s Wonder of the Day takes a look at your food’s report card!

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Does Your Food Make the Grade?
How Do You Make Slime?

Today’s Wonder of the Day can turn an ordinary student into a mad scientist!

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How Do You Make Slime?
Who Invented the Zipper?

Zip on over to Wonderopolis today for a Wonder of the Day that really has some teeth!

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Who Invented the Zipper?
What Is a Gully Washer?

Better put on your rubber boots if you’re headed to Wonderopolis today!

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What Is a Gully Washer?
How Does Carbon Paper Work?

We hope you enjoy today’s old-school Wonder of the Day!

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How Does Carbon Paper Work?
Why Do Some Roads Have Tolls?

It might cost you a dollar to read today’s Wonder of the Day!

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Why Do Some Roads Have Tolls?
What Is a Root Canal?

Today’s Wonder of the Day gets to the root of a toothy problem!

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What Is a Root Canal?
Why Do Credit Cards Now Have Chips?

Today’s Wonder of the Day is a chip off the old block!

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Why Do Credit Cards Now Have Chips?
Do You Need a Pen To Have a Pen Pal?

Be a pal and join us in Wonderopolis today. We promise it’s the WRITE thing to do!

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Do You Need a Pen To Have a Pen Pal?
Are Debit Cards and Credit Cards the Same?

A great new Wonder of the Day is in the cards today if you play your hand right!

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Are Debit Cards and Credit Cards the Same?
Can You Hang On by the Skin of Your Teeth?

Today’s Wonder of the Day might have you reaching for your toothbrush!

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Can You Hang On by the Skin of Your Teeth?
Do You Like To Play Cards?

Today’s Wonder of the Day is the real deal!

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Do You Like To Play Cards?
What Can You Discover at the Library?

Today’s Wonder of the Day takes a trip to one of our favorite places!

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What Can You Discover at the Library?
Who Was Sigmund Freud?

You may want to relax on the couch as you enjoy today’s Wonder of the Day!

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Who Was Sigmund Freud?
What Is a Bowler?

Today Wonderopolis tips its hat to a bowler that has nothing to do with strikes or pins.

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What Is a Bowler?

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