Do You Know
Questions & Answers on General Knowledge.
What is the greenhouse effect?
The greenhouse effect is a natural phenomenon that helps regulate Earth’s temperature. Greenhouse gases—carbon dioxide, methane, nitrous oxide, chlorofluorocarbons— act like an insulating blanket, trapping solar energy that would otherwise escape into space. Without this natural "greenhouse effect," temperatures would be about 60 degrees Fahrenheit (15.5 degrees Celsius) lower than they are now, and life as we know it today would not be possible. However, human activities, primarily the burning of fossil fuels and clearing of forests, have enhanced the natural greenhouse effect, causing Earth’s average temperature to rise.
What kind of stars are binary stars?
Why do songbirds sing?
What is the difference, if any, between appliances with a 2 prong plug and a 3 prong plug?
How is the human body a living machine?
How do the 2" diagonal color LCD screens used in some of the new digital video cameras work?
What is the difference between crystal and glass?
What does Mughal mean?
What is a carbon footprint?
Why do things expand when heated?
When raisins are added to a solution containing water, baking soda, and vinegar, why do the raisins dance?
What did ancient Romans do for recreation?
How long does it take a spider to spin its web?
What are the five main senses?
How do the different jet engines work on aircraft the turbojet, the turbofan, and the turboprop?
Who are the various people who live in North America?
What is special about Australian sheep?
How does a light bulb work?
Why do we say a graduating lawyer has “passed the bar”?
What accounts for the difference between two sounds having the same frequency, loudness, etc. but generated by a guitar and a sitar?
What is the difference between the nuclear bomb and the H-bomb?
How does an electromagnetic doorbell work?
Why are tornadoes so dangerous?
What is athletics?
Are the terms "gnat’s eye" and "hair’s breadth" true units of measure?
Does the creation of life and the theory of evolution violate the laws of thermodynamics?
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Celebrities Who Swear By Yoga
Gwyneth Paltrow might be hiding her face from the paparazzi with a hood in this picture or she could have been just caught unawares while talking on the phone, but in either case there is one fact that stands out Paltorws figure is one that every woman on this earth craves for. There is no doubt that Paltrows body is completely devoid of flabs, bulges and cellulites. There are no skin blemishes either. And importantly, Paltrow does not sacrifice anything for such an envious physique. All she does is simple yoga postures on a regular basis. Not a very difficult to follow fitness regimen, isnt it?