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Why Are Beach Pebbles Round?
The pebbles that are to be found on a beach are invariably round and smooth owing to the constant battering they have received from…
What Is a National Park?
A National Park is an area where natural scenery and wildlife is protected by law to preserve them for future generations. It is only…
When Does an Atoll Start to Form?
An atoll or coral reef begins to form when tiny marine animals called coral polyps attach themselves to rocks on the sea bed. The…
Who First Explored the Mississippi?
A Spanish explorer, Hernando de Soto (1496-1542) on May 8, 1541 became the first European to encounter the wide and muddy waters of the…
Where Is the Hellespont?
The Hellespont is the ancient name given to the strait of the Dardanelles which joins the Eastern Mediterranean to the Sea of Marmara. The…