1. What is a change to one or more rock layers that breaks up or disturbs the original horizontality? 2. If you find a fossil of a marine organism embedded in rock, what is that evidence of?
3. Earth's provides excellent clues about past climates, as well as the kinds of organisms that have inhabited the planet during different time periods.
4. We can understand the mountain ranges and volcanic islands we see on Earth by studying the that formed them.

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.

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