Fill in the Blanks testing gap fillingOnline version testing gap filling by Malika Abdullaeva 1 plants bison unusual biosphere world valley Yellowstone park Canyon park landscapes rangers canoeing lakes camping geysers national 3 animals is one of the oldest parks in the . It is in the USA in the states of Wyoming , Montana and Idaho . It is also a reserve ? a special national with interesting and plants , animals and . In Yellowstone , men and women called park look after the and . Yellowstone is on the site of a very big , ancient supervolcano . The volcano is 640 , 000 years old and its landscape is amazing . There are large forests and some trees are over 200 years old . The Yellowstone River gives the park its name , but there are many other rivers . The Yellowstone River is in a deep called the Grand of Yellowstone . Over million people visit the park every year and they come to see the hundreds of . These are hot - water fountains that come up out of the ground . Visitors also enjoy the beautiful , where they can swim , fish or go . There are 67 types of animals in the park , not including birds or water creatures . There are sheep , bison and bears . You don ? t often see bears because they stay in the forests and mountains , but often walk down the roads in the ! Yellowstone is usually cold and dry , but there are sometimes forest fires , so you have to be careful when you have a picnic there . In winter , it is very cold . In summer , it is warm during the day , but at night it can be below 0o C . People need warm clothes when they are in the par k
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