Hi I wish I could help but I have no idea
Question asked: What animal is native to California
A. Pika
B. Northern pike
C. Wild horses
D. Fire ants
My answer:I believe it is A. Pika
I believe the answer is that under natural conditions oceans are self-cleaning systems.
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.
During the second major wave of immigration, from the late 1800s to early 1900s, immigrants to the United States came mostly from Asia and Eastern and Southern Europe. Most of the immigrants that came to the United States were poor people. I hope the answer helps you.