This topic contains a solution. Click here to go to the answer

Author Question: Why is the margin of the Pacific Ocean called the Ring of Fire? a) The Pacific Plate borders many ... (Read 166 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
Why is the margin of the Pacific Ocean called the Ring of Fire?
 
  a) The Pacific Plate borders many convergent boundaries around the rim, which has active volcanoes and earthquakes
  b) The Pacific Plate is getting larger and is surrounded by ridges
  c) Hotspots surround the Pacific Plate
  d) The Ring of Fire is folklore, and the rate of earthquakes is the same everywhere

Question 2

At mid-ocean ridges, seamounts and pillow lavas (basalts) are found. What is the difference between these structures?
 
  a) Seamounts are found at convergent boundaries while pillow lavas are found at divergent boundaries.
  b) Pillow basalts form when hot lava from the sea floor is cooled quickly by cold seawater, creating smooth, rounded lobes. A seamount is an underwater volcano.
  c) Seamounts are flat topped while pillow lavas are rounded.
  d) Pillow lavas are formed at continental arcs while seamounts are formed at island arcs.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dajones82

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

A

Answer to Question 2

B




mynx

  • Member
  • Posts: 555
Reply 2 on: Aug 22, 2018
YES! Correct, THANKS for helping me on my review


kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

For a complete list of videos, visit our video library