Small thing!  | |  Some scientists believe that the earth began billions of years ago as a huge ball of swirling dust and gases. If you dig in your backyard, don’t worry about running into the earth’s core. You’d have to dig a hole 4,000 miles (6,437 kilometers) deep!
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crom07
(197) | | When youre on the top of a mountain, the temperature level drops, getting colder, When youre going... | |
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ready2earn
(220) | | Ok, so we know by now that some rare events can wipe out a good portion of life on earth;... | |
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raoprakash
(213) | | We live on a sphere of extremes and oddities. In fact it's not really a sphere, but it is a wild... | |
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Rozenkreauz
(101) | | In which metal is the Earth's core rich in? | |
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