Do you know the main points of the theory of natural selection?
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.
Scientists who study plants in the Sonoran Desert are worried about global warming. Desert winters have become warmer and drier over the years, and climate changes have pushed the arrival of winter rains...Read more