Crater lake, oregon, is an example of a volcanic another example of one that can be seen from space is the valles caldera in the jemez mountains in new mexico.

The correct answer is volcanic depression.  

Explanation:

We refer to a depression in the area of the land relief that is less elevated than the surrounding areas.

An example of volcanic depression is a caldera. That it is indeed a sunken sector in the relief, which was formed because of different volcanic eruptions. Its structure is very similar to a circle, has vertical walls and a very large background.

This is how Crater Lake was formed, which partially fills a volcanic caldera about 594 meters deep that was formed about 7,700 years ago by the sinking of the Mazama volcano.

the following sets of characteristics describe what we know about the outer plants is c. rocky surface, closet to the sun and larger in size

since there isn't any suggested answers i will give you the reason and hopefully you can figure it

south africa, or rather all of africa, has not been in the location in which it is nowadays throughout the geological past. after the super-continent pangaea started to break apart, gondwanaland, in which was africa, moved further south, and parts of it came to be very close to the south pole. because the climate in this part of the world is very cold due to the very dispersed sun rays in there, what is now south africa, started to freeze, and the conditions were right for the formation of glaciers. the glaciers existed up until the period when gondwanaland started to break apart and what is now africa started to move towards north, sp it warmed up and the glaciers melted.