GLACIER TOUR IS THE MAIN EVENT IN VISITING ALASKA . GLACIER IS A PERSISTENT BODY OF DENSE ICE THAT CONSTANTLY MOVING UNDER ITS OWN WEIGHT . GLACIER MAY BE FOUND IN MOUTAIN RANGES ON EVERY CONTINENT EXCEPT AUSTRALIA . 

 GLACIER IS THE LARGEST RESERVOIR OF FRESH WATER .THE REASON WHY THE GLACIER ARE IN BLUE COLOR BECAUSE THE WATER MOLECULES ABSORBED OTHER COLOR MORE EFFICIENTLY THAN THE BLUE ONE AND LACK AIR BUBBLES. AND ITS TAKE TEN YEARS TO COMPRESS ONE FOOT OF GLACIER .

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