Did you know that about 250 million years ago, almost all life in the ocean became extinct?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Epicenter
xEpicenter : The epicenter is the point on the earth's surface vertically above the hypocenter (or focus), point in the crust where a seismic rupture begins.
The Earth's mantle is a rocky, solid shell that is between the Earth's crust and the outer core. The mantle is made up of many different reservoirs that have different chemical compositions. Scientists...Read more