Science the looking of water in a large body ?

homework should not be banned because it tells the teacher if you were paying attention in class or not. it assures the teacher that you understand the material so you can move on to different material.

you! this is actuslly very nice lol

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.