What to Do If You're Exposed to Radiation The Electromagnetic Spectrum Ultraviolet rays from the sun are a form of radiation. DAJ/Getty Images Electromagnetic (EM) radiation is a stream of photons, traveling in waves. The photon is the base particle for all forms of EM radiation. But...
The same is true with smaller and smaller pieces. HowStuffWorks If you want to see a hologram, you don't have to look much farther than your wallet. There are holograms on most driver's licenses, ID cards and credit cards. If you're not old enough to drive or use credit,...
Hall, E J
When we are in school, the teacher always tell us to learn hard, so as to make a lot of money and then become the successful person. But as I grow up, I realize that we have the limited impression about success. I have seen some rich people, who felt lost and did not know what ...
How do I know if Cetaphil is working for me? If you are getting the desired results, that is one way to tell if it is working. If you are unsure, document the results. This can be done by keeping a skin diary or journal and noting any changes in your face skin after using the ...
The body is then assigned an identifying number and placed in a specific location on the grounds of the body farm. The location of each body is carefully mapped. Students learn how to maintain the chain of evidence when working with the bodies. In a criminal case, it's imperative that ...
If the stone is small and your pain isn’t severe, your doctor may take a wait-and-see approach. They could tell you to drink a lot of fluids to help flush out the stone with your pee. Over-the-counter pain relief can help manage any discomfort. You could also be prescribed a medi...
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How do you tell if your trees are dead after a freeze? You can tell if the tree is dead by scratching away the bark in late winter. If the material is green underneath, then the tissue is still alive. If the bark has begun to crack and flake off, and the underneath is brown and...
1、 The deforestation of rainforest should be combined with artificial afforestation to encourage protective rainforest development.雨林的砍伐要与人工造林相结合，鼓励保护性的雨林开发方式。2、In order to adjust the economic structure, developed countries should help these countries develop high-...