Rocks that form from lava, or volcanic rocks, can be very large or very small! For example, a rock that was just recently hardened will be much larger than a rock that has been sitting in a tidepool because the smaller rock has had time to erode away from the ocean current.
Click here to cancel reply.
Sorry,At this time user registration is disabled. We will open registration soon!
Don't have an account? Click Here to Signup
© Copyright GreenAnswers.com LLC