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  1. Is it right to put this news here?? If not, PL correct me. Thanks. https://www.yerepouni-news.com/2020/02/11/over-350000-sign-petition-calling-for-who-chiefs-resignation/
  2. How reliable the news is?? I have no access to the link .
  3. how long can novel coronavirus survive in air ?
  4. It is said the confirmed cases is more than 150,000, and some experts doubt the virus is from lab. It means it’s origin may be from bio-weapon.
  5. The real figure is Not in that tracker.
  6. mainland China confirmed cases is 7734. death 170.
  7. Thanks. But it is more than that figure. mainland China confirmed cases is 6090 death 133.
  8. you are right. what's the clever work to make it transparent ?
  9. and this one is also added manganese ? manganese dioxide is a decoloring agent. why i think it looks like amber-brown added by carbon dioxides ?
  10. thank you. it looks like .. Carbon Oxides Amber-Brown why add it to utensil ? is it good for health ? What Causes Color in Stained and Colored Glass_.html why need add manganese ?
  11. I am given a tempered glass dinnerware which can be used in microwave. The problem is it is tea-color. I have no idea why it is tea-color ? what is the chemical added to become this color ?
  12. will competitive eaters die early ? such as stomach cancer and pancreas cancer.
  13. yes, mixture can be separated physically, while compound need a chemical reaction to separate.
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