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A long, long time ago, Yosemite was a giant lake, carved out by glaciers, which are extended masses of ice.
Slowly it filled in with sediment.
Sediment is a mineral or organic matter deposited by water, air, or ice.
That's right! And after the glaciers melted away, they left behind all the jagged peaks and moraines. Moraines are made of of dirt and rocks that have fallen onto the glacier or have been pushed along as the glacier moves.
Land forms such as Half Dome, Yosemite Falls and North Dome were also carved out by glaciers.
Glaciation is the process, condition, or result of being covered by glaciers or ice sheets.
Most of Yosemite is made up of plutonic igneous rock.
Igneous rock is rock that has solidified from lava or magma!
And now it's you're turn to pass on the information of our beautiful National Park, Yosemite
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