Though this explains how glass forms, you might still be wondering how this takes place in nature. Lighting is one way that glass can form in a natural setting.
When a bolt of lightning hits a sandy patch of soil, it can create natural pieces of
glass called fulgurites. This occurs in much the same way as we create glass
synthetically. In this case, though, the bolt of lightning creates the extreme heat
needed to form glass.
According to the passage the word synthetically means
O artificially.
disinterestedly.
O heartlessly.
O simply.

here's some tricks. write on a book that you have read and really enjoyed. first, start by writing down basic event in the book. have your first paragraph be an intro explaining like the author, the reason the book was written if known, and other backround info like that. paragraph two explain what happens in the first few chapters and the signifigance it had. then for paragraph 3, do the same thing but for the middle. i'm pretty sure you get the point for paragraph 4. just rap things up and explain the call to action. for the final paragragh (paragraph 5) , explain your views on the book, the message, ect. tip: something that might is to go onto cliff notes or something and read the anaylisis of each chapter.

some books i recommend;

diary of anne frank

lord of the flies

the unique function that the video specifically ascribes to sins near tunnels is "prohibiting certain cargo". tunnels have specific control signs such as minimum and maximum speed, the appropriate use of headlight and prohibited cargo. for your own safety it is important you understand the signs when approaching a tunnel.