<span>C) ships could then take advantage of the currents to speed up travel </span>
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.
<span>Submerged basaltic volcanoes that are higher than 1 km
are called seamounts, letter D. They are underwater mountain formed by volcanic
activity. They do not reach the sea level and is not considered an island. </span>
The rock cycle is the process by ehich new rock is made from old rock
The answer would be C. measure distances between given points.