Some of the physiographic features that cause extreme aridity may be found together within a <span>single desert, but t</span>he deserts found in the western united states are primarily the result of being located within the rain shadow of one or more mountain ranges.
Moving water.......................
Answer:
About 3500 meters of summit of a composite volcano collapsed after an explosive eruption of about 500 cubic kilometers of pyroclastic material. Later the caldera was eventually filled with water.
Explanation:
Crater Lake is one that is found to occupy a basin in Mount Mazama in south-central Oregon in the western United States. Mount Mazama, which is about 12,000 ft (roughly 3,700m) collapsed during an intense volcanic eruption, which led to the formation of volcanic depression called caldera.
Pyroclastic flows of pumice and ash affected the nearby areas which also included the water body that drained the mount Mazama.
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