xShadow zone : The shadow zone is the area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves. The shadow zone results from S waves being stopped entirely by the liquid core and P waves being b
Scientists have been taking a close look at microbes that live in the ocean. The microbes they are studying are a type of bacteria and are very tiny. They may be small but they have a big impact on life...Read more