Answer:
tourism, fishing, conversation, shipping
Airborne fragments<span> of lava, called tephra, are ejected from a single vent. The lava cools rapidly and builds up around the vent, forming a crater at the summit. Cinder cone volcanoes are fairly small, generally only about 300 feet (91 meters) tall and not rising more than 1,200 feet (366 meters).</span>
"Casablance" is an example of the mis-spelled name of
a city in Morocco or a classic Humphrey Bogart movie.