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Did you know that Earth's magnetic poles
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Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
xLithosphere : The lithosphere is the outer solid part of the earth, including the crust and uppermost mantle.
Click on the word to find out!
Tiny variations in the isotopic composition of silver in meteorites and Earth rocks are helping scientists put together a timetable of how our planet was assembled, beginning 4.568 billion years ago. Results...Read more