Do you know why we are all sometimes called "carbon units"?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Plate tectonics
xPlate tectonics : The theory supported by a wide range of evidence that considers the Earth's crust and upper mantle to be composed of several large, thin, relatively rigid plates that move relative to one another.
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