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Explanation

Cushion star has five limbs.

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Which US president was called the "father of his country" but didn't have his own children?

George Washington Abraham Lincoln John F. Kennedy Thomas Jefferson

Fun Facts About Number 0 and 1

The Hindu-Arabic numeral system was invented almost eighteen hundred years ago; however, it turns out that we know too little about numerical digits we have been using to this day! Read the most awesome facts about “zero” and “one.”