On Earth. A small planet in our solar system. Rotating the sun. In a Galaxy we have come to call The Milky Way
After looking at the photograph given above, one sedimentary rock that probably metamorphosed to form rock on unit 6 is called limestone. You can also use the sedimentary rock called dolostone. Both will be acceptable answers to this question.
Earth is at perihelion when it is closest to the Sun, sometime after the Dcember Solstice.
Features that are typical for the divergent plate boundaries are:
- <em>ocean ridges;</em>
Underwater mountain chains that are very long and are marking the border of the plates.
- <em>formation of new crust;</em>
Since the crust is very weakened and loose, the high temperature, pressure, and magma, are able to penetrate it and create new crust.
- <em>intense volcanic activity;</em>
The high amount of magma penetrating from the mantle layer is causing intense volcanic activity, thus the creating on new crust, and underwater mountain chains.
