Do You Know
Questions & Answers on General Knowledge.
Where does the Sun shine the most?
In the United States, Yuma, Arizona has a yearly average of 90 percent of sunny days, or more than 4,000 sunny hours per year. St. Petersburg, Florida, is a close second; that city had 768 consecutive sunny days from February 9, 1967 to March 17, 1969. If you were to travel, you would find the eastern end of the Sahara Desert in North Africa the sunniest—the Sun shines there 97 percent of the time.
What is the record speed for land travel?
Why does a can of Diet Coke float on water while a can of regular Coke sinks? Does that have to do with density and Archimedes'law?
Why are rain forests so important to the health of our planet?
Which galaxy is closest to ours?
What are the main geographical regions in South America?
Is there a relationship between the black hole and the point of origin of the universe?
What is the difference between a planet and a moon?
Why is the frictional force on a wagon's wheel in the opposite direction from the frictional force on a car's wheel?
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?
Is the Sahara the only desert in Africa?
Is moment of inertia determined only by mass, as inertia is in translational motion?
How do carnivorous plants digest their prey?
How did technology help improve sailing?
If something is coasting or moving at a steady pace, is it experiencing a net force of zero?
How do lasers work?
How might an ion engine work?
Is all light other than lasers incoherent?
Does gravity have a speed at which it acts upon another body?
Why do we call someone who does things differently a “maverick”?
How is the slobbering pine different from other plants?
What should I do if I find a gun?
Why do scabs form?
How do rubber bouncing balls work? Does the table exert more force than is applied, causing an upward acceleration?
Is second-hand smoke bad?
I know it's difficult to get drinking water from salt water, but why is it so expensive?
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