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Showing posts from September, 2018

Which country gave the Statue of Liberty to the USA as a gift?

What was the shortest war in history?

What is the first search engine in internet?

What's the difference between bacteria and virus?

What is the answer to 7+7÷7+7x7-7=?

What is 0/0? Is it one, zero, infinity, or …?

Why calcium is a metal?

What makes popcorn pop?

Why do cats always land on their feet?

Why are there only 7 colours in a rainbow?

Why don't birds get electrocuted when they land on an electric wire?

Why is the sky blue?

How much money is there in the world?

What are the greatest inventions of our time?

When I delete a file on my computer, where does it go?

How much percent of brain we use?

What is the most curious letter of the English alphabet?

Who invented the drinks can?

How is the weight of the Earth calculated?

What is the temperature at the tip of a burning cigarette?

How do mosquitoes find you in the dark?