What process occurs when an animal is buried in mud and minerals from the mud take the place of the matter that makes up the tissue?
a. carbonization
b. encasement
c. petrification
d. replacement

Replacement

Explanation:

Carbonization is the process of matter for example wood turning into carbon through heat however replacement is the process where minerals in groundwater or in this case mud replace the matter of the animal buried

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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.