Answer:
an irregular galaxy is a galaxy that does not have a distinct or regular shape.
Explanation:
A caldera is a large depression formed when a volcano erupts and collapses. During a volcanic eruption, magma present in the magma chamber underneath the volcano is expelled, often forcefully. When the magma chamber empties, the support that the magma had provided inside the chamber disappears.
Over 2/3 of the argicultural land is used
A seasonal wind in southeast asia