Do You Know
Questions & Answers on General Knowledge.
Is that a fountain of water coming out of the blowhole?
The whale opens its blowhole to breathe out stale air. When this air comes in contact with the colder air outside, the water vapour in the atmosphere condenses. This looks like a fountain or spout.
Did people live in other parts of North America?
How does a sewing machine work?
Which states are the biggest farm states?
How do plants grow?
If you throw a dead ball at a baseball, would the baseball not roll as far as if you throw a super ball at it?
What is the deal with the new mini disc players?
Can microwave ovens leak microwaves? Is my mother's warning not to stand in front of the microwave while it's on valid?
Who discovered America?
How has the world’s climate changed over the years?
Why is America called a "melting pot"?
Why do we say that someone intoxicated is “three sheets to the wind”?
is a photon a specific unit of measurement of light? Has it been decided if light is a particle or a wave? Why?
What is dust, exactly, and why might it be bad for me?
What is paper made of?
What are clouds made of?
What is the "sound barrier"?
How does an electric motor work?
What was the Cotton Gin meant for?
What about hair and nails?
Why don’t school buses have seatbelts?
What does Mughal mean?
Why do many buses use air brakes instead of hydraulic brakes?
Why do birds fly south for the winter?
What was the Industrial Revolution?
How does an ultrasonic bath work?
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