Do You Know
Questions & Answers on General Knowledge.
Why do zits always form in the middle of the forehead?
Acne, a red, irritating skin rash, that mostly affects children approaching puberty, usually appears in the oil-producing areas of the body. These include the face (forehead, nose, and chin), chest, and back. Hyperactive glands produce oil (sebum) at a faster than normal pace due to tweens’ rapid changes in hormone levels. Excessive oil clogs pores and creates acne, or pimples. Many times hair—which hangs down onto the forehead or sides of face—contains grease-like gels and styling products that contribute to acne.
Which country is the smallest?
Do whales drink salted water?
How did the spread of liberal ideas change the world?
When you traveling in a jet plane, why do objects on the ground look as though they are still or moving slowly?
What is a supernova?
What did the sailors bring home with them?
Why was the storming of the Bastille important?
Is DC power transmission possible?
Why don’t polar bears freeze in the icy Arctic waters?
What is the difference in distance that a soccer ball will travel if the air pressure in the ball changes?
What is the force produced when two cars crash?
What did the Incas do for a living?
How does a person’s clothing tell where he or she comes from?
How do remote garage door openers work?
Should I talk to a stranger?
How long is the giant anteater’s tongue?
How does a parabolic microphone work?
How fast can maglev trains travel?
Who invented the microwave oven and how did he think of it?
How big is the Milky Way?
Why are there pistons in an engine?
How did water travel develop?
How can light "travel" through a vacuum when there were no "particles" in the vacuum on which it could "transmit" its charge?
What are the reflectors on my bike or scooter for?
What is the difference between a bulb, a corm, and a tuber?
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Precaution while using Microscope
Can endure stationary positions for extended periods
The human body can endure stationary positions for extended periods if it is in a neutral body posture a position that can be maintained without a concerted effort or contortions. A neutral body posture is essential to working efficiently and effectively at the microscope for long hours. Because not everyone is able to buy a new, ergonomically designed microscope or workstation, the smartest idea is to find the means to modify the microscope to fit the user rather than forcing the user into awkward positions.